- Created: 09-09-21
Description: The cargo electric bicycle, also known as the freight or utility bike, is enjoying a renaissance and recognition as a cleaner, safer, and more efficient mode of urban freight delivery and passenger transport. As a human-powered and fuel-free vehicle, this form of active transport could bring even more benefits to our cities than other disruptive technologies. Cargo bikes are proving to be versatile vehicles of change for urban business interests thanks to their economic viability. They also reduce the need for polluting and noisy delivery electric cargo trucks that contribute to urban gridlock. They make the streets cleaner and safer for pedestrians and commuting cyclists. The bright electric future ahead, led by bikes According to Germany Two-wheel Industry Association (ZIV), in the last year, electrically assisted cargo bikes have outsold electric cars in Germany with 39,000 sold versus 32,000 electric cars—an impressive when you consider that electric cars have benefited from substantial government subsidies, while e-bikes received only a small handout. Globally, Deloitte predicts that 300 million e-bikes will be out on the world's streets by 2023, representing a 50% increase over current numbers. These statistics seem to show that, despite all the attention around electric and autonomous vehicles, the future of e-mobility may actually be led by bikes. In the next five years, 40 million electric bikes will be sold worldwide, dwarfing the 12 million electric vehicles that will be hitting the roads over the same period. We hear regularly that people with disabilities go by taxi transport or mobility scooter to the physiotherapy and sit there on a stationary bike. Why not visit a friend or take a trip with a (electric) tricycle instead? Because you always have to cycle yourself, there is always movement. When needed, the cyclist can choose between various degrees of electric pedal support and cycle more easily. More and more cyclists realize that their independence and mobility increase, and therefore choose the environmentally friendly electric tricycle. The electric special vehicle (EV) revolution is speeding up, but it can only go so far without the necessary infrastructure and technology. As thinking shifts from fossil fuels to all-electric, visions of a brighter, more optimistic world come into view. The vision is to improve all aspects of performance and reliability and unlock the possibility of producing a battery solution that matches the performance of conventional gasoline and diesel vehicles, meeting consumers expectations, helping drive the uptake of hybrid and electric transport and supporting the Governments Road to Zero strategy—aiming to make road transport emission-free by 2050. According to our experience, after spending a lot of time studying these two processes in depth, we found that these two production methods have more in common than differences. Powertrain equipment still provides components for power generation. The body shop is still making all the panels. In order to make cars, the assembly plant still assembles all these parts together. In general, there is no real difference. Especially by automating the supply next to the production line, we can help the assembly line respond to changes. For example, when an electric car production line needs to switch from a large combustion-powered car to an electric car, we will send the correct components or parts to the point of use. All that is needed is the notification in the advanced software. Once the system or assembly line supervisor makes these clicks, we will respond and go to the appropriate location to pull the correct one. The delay is eliminated, and the probability of error occurrence is almost zero. When we talk about the hollow block making machine there are some different pictures and ideas of this machine in people’s heads so we need to specify what we exactly mean by it. A hollow block machine is a machine that produces hollow blocks using pressure and vibration to compress the concrete mortar into the molds and form the concrete blocks.
Publish Date: 10-09-21
Description: The air we breathe contains two gases that are extremely useful in industry: oxygen (about 21%) and nitrogen (about 78%). Adding oxygen to a process enables better control of heating patterns, higher furnace efficiencies (for lower fuel consumption) and reduction in particulate and NOx emissions. It’s used with fuel gases to enhance processes including gas welding, gas cutting, oxygen scarfing, flame cleaning, flame hardening and flame straightening. Oxygen is a raw material in many oxidation processes and to regenerates catalysts. Nitrogen gas is used for purposes ranging from inerting and purging to flushing and sterilizing to product transfer and packaging. Many such processes remove undesirable oxygen from a manufacturing process or environment, preventing oxidation that can damage metal parts and sensitive electronics. Nitrogen is also used in refining and gas separation processes. Since oxygen and nitrogen occur together in the air, they must be separated before they can be used. The right tool for the job is an oxygen generator or a nitrogen generator. How an Oxygen plant works Oxygen molecules are separated from the other molecules within a clean, dry compressed air stream. Pressure Swing Adsorption (PSA) is a simple, reliable and cost-effective technology that enables continuous, high-capacity oxygen flow at the desired level of purity (90% to 95%). Adsorption happens when atoms, ions or molecules from a substance (compressed air in this case) adhere to a surface of an adsorbent. PSA technology isolates oxygen molecules from other molecules (nitrogen, CO2, water vapor and trace gases) to leave high purity oxygen at the outlet of the generator. The process takes place in two separate pressure vessels (tower A and tower B), each filled with a carbon molecular sieve, that switch between a separation process and a regeneration process. How a Nitrogen generator works Nitrogen molecules are separated from other molecules within a clean, dry compressed air stream. Pressure Swing Adsorption technology is used here as well, to isolate nitrogen molecules from other molecules in compressed air to leave nitrogen at the desired purity at the outlet of the Nitrogen plant. For some applications, such as tire inflation and fire prevention, relatively low purity levels (between 90% and 97%) are required. Other applications, such as food/beverage processing and plastic molding, require higher levels of purity (from 97% to 99.999%). RO and DI filters use different physical reactions to clean water. Reverse Osmosis (RO) is used to partially clean-up tap water to make it roughly 90% to 99% pure. Deionization (DI) filters exchange positive hydrogen and negative hydroxyl molecules for positive and negative contaminant molecules in water. DI filtering and other processes are sometimes referred to as "water polishing." Understanding the difference between reverse osmosis (RO) and deionized (DI) is important when identifying the right water purification unit for your lab. Having access to high quality water is essential for laboratories to carry out their daily processes and workflows. By taking a closer look at different methods of producing both types of water, RO and DI, you can feel confident in your decision regarding water purification systems. This deep cold air separation adopts molecular sieve purification and supercharged turbo expander to supplement the cooling capacity of the device, and at the same time adopts the process of producing argon without hydrogen through full distillation. This process is safe, reliable, and economical. The main reasons are: 1. Good safety The whole set of equipment has low operating pressure, simple process, high equipment safety, long switching cycle of molecular sieve system, long service life of switching valve, and reduced safety hazards. The main cooling (K1) adopts 1% liquid oxygen emission to ensure that the accumulation of hydrocarbons is minimized. 2. High reliability A large amount of surplus nitrogen can be sent to the water cooling tower, reducing the load of the chiller, reducing the energy consumption of the air separation unit, reducing the use cost, and further improving the reliability of the device. 3. Convenient operation and maintenance, simple process Regenerative desiccant dryers are used in compressed air systems that require dew points to be below the minimum that refrigerated dryers can produce (generally 40 degrees Fahrenheit). Three types of regenerative desiccant dryers are widely used throughout industry: heatless, heated and blower purge. The following discussion doesn’t address heat-of-compression (HOC) desiccant dryers, even though they require the least amount of energy to operate. The use of HOC dryers is limited to lubricant-free compressors. Many plants require air quality that only regenerative desiccant dryers can produce. Unfortunately, in too many cases, the decision about which type of regenerative dryer to purchase is based on initial capital cost alone. This decision basis ignores the cost of energy that will be required to operate the dryer. Including energy cost can alter the economics of a purchase decision dramatically. Some of the first known filters were created to remove unwanted contaminants from water. This process was pioneered by the Romans, but it has also been cited as having other origins. The word "filter" actually comes from the Latin word "filtrum" or "feltrum," which is related to felt or compressed wool, providing a means to filter contaminants when water passes through it. The development of filters for oil cleanliness did not occur until the early 1900s through the progression of crude oil refining and the automobile industry.
Publish Date: 09-09-21
Description: When we step out of the bathtub or shower, it is nice to have a soft, plush, and warm place for our feet to land. Most of us have a bath mat or a bath rug waiting for us to step onto in our bathrooms at home, but did you know that the two are not created equal??Do you know the difference between bath mats and bath rugs? If not, no worries - most people don’t! Nevertheless, there is in fact a difference between the two that could influence which one you select for your home bathroom. Bath Mat vs Bath Rug When choosing décor for your home bathroom, it is helpful to know the differences between a bath mat vs bath rug so you can choose the best option for your space. Bath mats and bath rugs each have their own specific purpose. They also feature different aesthetics, so it is important to know details about each so you can properly choose between a bath mat vs bath rug for your family. What is a Bath Mat? – A bath mat is made specifically for preventing slips and wet floors in your bathroom. Bath mats are used right in front of your bathtub or shower to absorb water after you bathe. They are typically extra-absorbent and offer non-skid features for safety. ? What is a Bath Rug? – While luxury area rugs can also soak up water after a bath, they were really created to be a design element in your bathroom. Bath rugs can be coordinated with your bathroom theme and can match curtains, towels, and shower curtains to complete a look. They can be used anywhere in your bathroom and are not limited to the front of your bathtub or shower. The main difference between a bath round mat and a bath rug is that while very pretty, bath mats tend to be more functional, while bath rugs are plush and give a more luxurious feel to the space. While both are great choices for your home bathroom, it really just depends on your personal preference as to whether a bath mat vs bath rug will work best for you. Here are some tips to help you decide which is the best solution for your area. What is the best quality wool area rug for kids' bedrooms? Kids rugs will certainly be put through their paces, but wool will not let you down. It can handle a fair bit of rough and tumble! In fact wool fibres can bend up to 20,000 times without breaking. Being strong and elastic the fibres simply bounce back to their original shape, time and time again. You know, good quality materials alway go the distance. Even if you have a no-shoe policy in your house, there will be times when you need to dash inside with your shoes on for one last thing or times when a handyman or repair person needs to wear work boots indoors. For these situations — and for shoe-on houses — door mats are essential. Faux fur rugs add warmth (literally and design-wise) to any room. Millions of animals are killed each year to produce skin for various products, and for homeowners who don’t want to purchase real animal skins, faux sheepskins and cowhides are a guilt-free and affordable way to enjoy these soft and plush rugs. If you are having a difficult time cleaning those pet accidents and danders, then maybe you have chosen the wrong carpet or rug material for your pets. Here, we are featuring some best pet rugs. 1. Stain-Resistant Nylon Carpets When you have high foot traffic inside your home, we highly recommend this carpet type, because it is naturally resistant to stains. Besides that, nylon fibers are never easily pulled out when your pets are scratching on your nylon rugs or carpets. 2. Luxurious Wool Carpets It is one of the most prestigious materials for rugs and carpets, because of its natural curb appeal. When wool fibers are properly woven, you can rely on its durable fabric construction, which can resist wear and tear. Besides, wool can seamlessly wick off stains and liquids, so you are relieved from the daunting task of carpet stain removal. Also, its smooth fiber is highly comforting for your pets’ paws and body when it is lying down on the floor.
Publish Date: 09-09-21
Description: Luz Solar Para Calles are street lamps powered by crystalline silicon solar cell, with maintenance free valve controlled sealed battery (colloidal battery) to store electric energy, super-bright farola LED as light source and controlled by intelligent charge discharge controller, which is used to replace traditional public electric lighting. Solar energy is inexhaustible, clean, pollution-free and renewable green, color ring and energy conservation. Solar power generation has unmatched advantages such as cleanliness, high safety, relative universality and sufficiency of energy, long life and maintenance free. Photovoltaic energy is considered to be a very important new energy in the 21st century. Solar street lamps do not need to lay cables, AC power supply and electricity charges; DC power supply and control; It has the advantages of good stability, long service life, high luminous efficiency, simple installation and maintenance, high safety and safety performance, energy saving, environmental protection, economy and practicality. It can be widely used in urban main and secondary roads, communities, factories, tourist attractions, parking lots and other places. Product parts: lamp pole structure: steel lamp pole and bracket, plastic spraying treatment on the surface, and special anti-theft stainless steel screws are used for battery board connection. Description of working principle of solar street lamp: under the control of intelligent controller, the solar panel absorbs solar light and converts it into electric energy after being irradiated by solar light during the day. The solar cell module charges the battery pack during the day, and the battery pack provides power to the luz de alta de mástil alto source at night to realize the lighting function. The DC controller can ensure that the battery pack will not be damaged due to overcharge or discharge, and has the functions of optical control, time control, temperature compensation, lightning protection, reverse polarity protection, etc. Core technology and development trend of Sistema De Energía Solar: with the development and progress of solar photovoltaic technology, it is first applied to lighting lamps in civil use. In recent years, due to the dual advantages of environmental protection and energy saving, solar garden lamps, solar lawn lamps and solar decorative lamps have gradually formed a scale. How to choose an economical and practical solar lamp product that is more suitable for local climate conditions in many dazzling commercial advertisements? This has always been the user's final question? In the design of solar lighting fixtures, many factors are involved in the light source, solar cell system and battery charge and discharge control. Any problem in any link will cause product defects. Let's first understand the composition of solar lamps! 1. Solar cell 2. Charge discharge controller 3. Battery 4. Load 5. Lamp housing Solar cell The main function of solar baterías is to convert light energy into electric energy. This phenomenon is called the photovoltaic effect. Among many solar cells, monocrystalline silicon solar cells, polycrystalline silicon solar cells and amorphous silicon solar cells are more common and practical. In the eastern and western areas with sufficient sunlight, polycrystalline silicon solar cells are better. Because the production process of polycrystalline silicon solar cells is relatively simple and the price is lower than that of monocrystalline silicon. The conversion efficiency has been continuously improved in recent years. It is better to use monocrystalline silicon solar cells in southern China where there are more rainy days and less sunshine, because the electrical performance parameters of monocrystalline silicon solar cells are relatively stable. Of course, amorphous silicon solar cells are better when the indoor sunlight is very weak, because amorphous silicon solar cells have low requirements for solar lighting conditions.
Publish Date: 09-09-21
Description: In recent years, the Dope Dyed Yarn segment dyed in wool enterprises widely used. The equipment directly dyed pure plush line, pure nitrile wool, wool nitrile blended yarn, two tone yarn, etc., according to the length of the hatch yarn, change the length of the color segment and the distance from the design of a special style, colorful patchy pattern. Pure plush line segment dyeing is an indirect section of the dye, is to use anti-dyeing technology to do the paragraph dyed line. 1. the greater the color of the segment color paste the greater the amount of color; the deeper the color, the greater the amount of dye, the dye is too wasteful; 2. hank Dope Dyed PBT Yarn thickness can not be absolutely uniform, with the same pressure rolling roll, different thicknesses of the local color will be different; 3. with the dyed width increased, the positive and negative color differences also reduced the quality of the dye products. Anti-dyeing technology can solve these problems. With the development of the textile industry, the continuous improvement of textile technology. Today, we will tell you about the coating PBT DTY yarn, the so-called Dope Dyed PBT DTY Yarn is a kind of raw materials weaving, weaving raw materials collectively referred to as functional yarn or silk, corresponding to cotton yarn, yarn, nylon yarn, Wool yarn, hemp yarn and so on. With the rapid modernization of modern equipment, in order to produce to meet the requirements of differentiated yarn, to take different processing procedures, the process also has varying degrees of adjustment, such as spinning pure cotton yarn and polyester-cotton blended yarn, Due to the different raw materials used, the various physical properties of the various raw materials themselves, and the quality requirements of the products to be produced are different. Different production processes are required at the time of processing. Equipment can be some of these processes together, making the actual observation of the less necessary work. Through the people in the textile technology innovation, the quality of the products produced by more and more reassuring. Dope Dyed PBT DTY Yarn in environmentally friendly yarns are capable of producing a variety of fabrics, not only that they also have a different feel and a silky appearance, light and breathable. Home decoration, clothing, industrial fabrics and automotive fabrics, are widely used in knitting a variety of simulated silk fabrics. Polyester BCF yarn, high strength, good shape of the wire, fineness, strength, elongation uneven rate, uniform dyeing and other benefits. Usually more suitable for high-speed warping machine and high-speed shuttleless loom needs, directly used in knitting and warp knitting. Widely used in the spring Yafang, fleece, single cashmere, gold velvet, mercerized cashmere, corduroy, flower cashmere, warp knitting plush, warp knitting short plush, warp knitting, warp knitting Mesh cloth, warp knitting silk, round cashmere, velveteen, five satin, polyester taffeta, mercerized silk, spray water light spinning, water eight satin, weft Oxford cloth, sets of Oxford cloth, jacquard hood, printing Window cloth and other fabrics. We use the composite yarn, we should pay attention to follow some of the principles: 1. Dope Dyed PBT DTY Yarn with the characteristics of the fabric compatibility: the choice of polyester sewing thread should be the same or similar to the fabric of raw materials, so as to ensure its shrinkage, heat resistance, wear resistance, durability and other uniforms, to avoid the difference between lines, Causing the appearance of shrinkage. 2. consistent with the type of clothing: for special-purpose clothing, should consider the special function of the sewing thread, such as elastic clothing need to use elastic sewing thread, fire service need to use heat, fire and waterproof treatment of polyester sewing thread. 3. Dope Dyed PBT DTY Yarn coordination with the stitch shape: different parts of the clothing used in different stitches, polyester sewing thread should also be changed with it, such as the need for bulging lines or deformation line, double line stitch should choose a large extension of the line, Crotch seam, shoulder suture should be fast, and buttonhole needs to wear.
Publish Date: 09-09-21
Description: An Automatic Bagging Machine is a mechanism that automates the packaging process in production. The packaging machine automatically inserts the product in a bag or a pouch and seals it. By installing Automatic Bagging Machines in a company’s packaging operations, companies have several advantages on expenses and productivity. Businesses, large or small, are always looking for ways to maximize time and labor while reducing their production cost. Choosing the right type of bag on roll machines that suit business needs can help fulfill these objectives. There will be increased productivity, enhanced consistency, reduction in quality issues, and reduced workstations. Moreover, you will notice the improvement in packaging accuracy and the safety of both products and workers. You can install Automatic Bagging Machines in almost any production facility and use them to pack products such as cosmetics, pharmaceuticals, mechanic parts, food, and beverages. Benefits of Installing Automatic Bagging Machines There are numerous benefits associated with the installation of an Automatic Bagging System in production facilities. Here are some of the main advantages. 1. Enhanced Efficiency Integrating automatic garbage bag machines will help improve the efficiency of operations and your warehouse and reduce potential quality issues. 2. Customizable Automatic Bagging Machines The automatic cold cutting flat bag machines are customizable mainly to the production line requirement. With automated bagging, you can pack individual parts of a product. Automatic Bagging Machines are also suitable to be used with different packaging materials. Customize the coloring and size of the bags and preprinted styles. 3. Product Safety In many instances, insufficient packaging may adversely affect the lifespan of goods. This is a common occurrence with products packaged through manual operations. An Automatic Bagging Machine will prevent mistakes. Automation will improve the quality of your packing and eliminate the chances of damage to goods or reduced shelf life. 4. Improved Productivity Automatic Bagging Machines will reduce the chances of errors in the production line. Compared with manual labour, the productivity level will show improvement due to the speed and consistency associated with automatic bagging systems. Whether you use semi or fully Automated Bagging Machines, there will still be substantially more quantity produced than hand-packaging operations. The Automatic Bagging Machines involve loading a film roll or bagging on the system and pack one product after another quickly. Only when the bagging material runs out will it need someone to refill, saving time and money. Financial Benefits of Automatic Bagging Machines Cost savings and coming up with new solutions are always one of the top priorities of businesses. Automatic side sealing bag machines can be a cost-effective investment in the long term. Not only will it improve production volumes but significantly reduce the workforce requirements. Reduce the cost of labour for sorting, processing, folding, and banding the products. For instance, if 20 employees currently working on your production lines handling the packaging and deploying an automatic bagging infrastructure will save you money by reducing the need to have 20 employees working on packaging and increasing production volume translating into increased revenue. 1. Improved Sustainability One of the best ways is to reduce the need for transportation in your production process. Automatic draw tape garbage bag machines produce uniform packaging that allows more products to fit fewer trucks than hand-made inconsistent bagging. The packaging method helps you ship more items with a lower carbon footprint. Save cost on fuel budget while reducing greenhouse gas emissions. 2. Saving on Material Costs Most companies have packaging requirements ranging from different bagging sizes. Instead of investing in purchasing and inventory various bags, Automatic Bagging Machines allow you to buy film rolls to make bags of different sizes. Moreover, using thinner gauge packaging film, there can be some additional savings on material cost. How to Evaluate Best Automatic Bagging Machines for Your Company Not only is it an effective method, but it also simplifies your packaging operations while saving money on many fronts. However, you must pay due diligence when looking for the right automatic bagging equipment for your company. Speak to the manufacturer about your specific needs and ways to improve the system’s efficiency. Moreover, you will always need employees to operate the machinery. Thus, make sure you pick something easy to use that requires minimal training. Main features of T-shirt bag making machine: 1. The T-shirt bag making machine is equipped with servo motor to control the bag length. The brand of servo motor is Yaskawa, Japan. 2. A frequency converter is installed on the T-shirt bag making machine to control the speed and reduce the power consumption, making the operation of the T-shirt bag making machine convenient. 3. The one line four lines t-shirt bag machine adopts cold knife cutting design. The cutting blades of T-shirt bag making machine are made of skh3 material. 4. The two lines t-shirt bag making machine is equipped with four sets of sealing strips, two sets with single sealing lines for making bottom sealing bags (opening pockets at the top), and the other two sets with two sealing lines (for sealing bags at the top and bottom) for making semi-finished T-shirt bags. The sealing strip of the T-shirt bag making machine can be easily replaced with shopping bags and ordinary bags. 5. The side gusset t-shirt bag machine is equipped with a photocell (sick) to accurately register the film printing point. 6. The T-shirt bag making machine has a continuous working system and adopts an automatic shutdown alarm device. When the film is empty, the T-shirt bag making machine will stop automatically.
Publish Date: 09-09-21
Description: So, you turned on your heating and cooling system, and you noticed something strange: one of your rooms isn’t heating or cooling properly. To your dismay, you noticed that there’s little to no air coming out of the supply air vent opening! You check the other rooms and they’re getting air just fine. But that one room has you wondering how you can improve your HVAC airflow. So, what’s wrong with that one room? Once you have verified the vent diffuser is operational and open, here are a few issues with the ductwork that can cause this frustrating problem. Both metal sheet ductwork and flexible ductwork can get disconnected at the main duct connected, between pipe sections, and at the register termination fitting, preventing any hot or cool air from your heating and air conditioning systems from reaching the rooms in your home. You’ll need a professional to locate the disconnected duct and seal it so that no air escapes. Sometimes, other things may cause blockage by covering the vent on the wall (for example, an animal breaks the pipe and builds a nest or dies, your child's stuffed toy, someone hides something in the floor pipe, etc.). Blocking ventilation openings in furniture is also a common problem. Remove items that cause blockage or rearrange furniture to ensure that your vent cover is intact for optimal airflow. What's a metal duct? Metal ducts (also called rigid or hard ducts) offer a more permanent solution to a commercial HVAC system. Galvanized steel and aluminum ductwork last longer. This is especially true when proper maintenance occurs on a regular schedule. It requires computerized design, measurements, and careful ductwork installation. Experts consider the existing components of the commercial building's heating and cooling system. These considerations include the furnace, heat pump, air conditioner, and more. The width-to-height ratio in a commercial building is also a consideration. It should provide space for metal ducts to optimize energy efficiency and performance. What's a flexible duct? Flexible or flex duct is an integral part of an air conditioning system. The flexible ducting connects the heating and cooling system ductwork to the air distribution. This is comprised of grills and registers that are mounted in a commercial building's ceiling or walls. Flex duct suspension is convenient for attaching supply air outlets to more rigid ductwork made from sheet metal. It's often attached with long zip ties or metal band clamps. Rubber, PVC, stainless steel, silicone, polyurethane, and neoprene-dipped polyester fabric are popular types of flexible ductwork material. Rubber, PVC, stainless steel, and silicone aluminum flexible ducts are best for commercial buildings in extreme climates. This is because inherent resistance to heat and cooling ensures long-lasting productivity. Rubber and polyurethane offer the best abrasive resistance. Silicon can't handle interior damage during extreme weather resistance. Yet, silicon and PVC flexible duct offer the highest quality for air handling environments. This is because each offers flexibility for any heavy-duty hose. You’ve most likely seen spiral duct and fittings in many homes and businesses. Not only are the silver tubes used to move air and heat, but they have become somewhat of a fashion statement. Over the years, spiral ducts have seemed to gain popularity in stores, restaurants, and many other places. Aluminum foil tapes are usually able to withstand more than 300 ° high temperature, the adhesive tape generally looks at the specific material, most can withstand up to about 180 ° high temperature. The aluminum tape itself is a good conductor of heat. Directly enclosing it directly does not provide insulation, and it also accelerates the loss of heat. Therefore, when used, it is wrapped inside with some insulation wool and then wrapped with aluminum foil. Aluminum foil is actually the conduction of the outside temperature, to protect the inside temperature from the outside world, in fact, insulation is insulation cotton. With insulation, waterproof, moisture and other functions. Its solar radiation absorption coefficient is extremely low and can block most of the heat transfer.
Publish Date: 09-09-21