The origin of rubber and the composition of the rubber sheet. The rubber ball is extremely elastic, and rubber is also used as a wooden handle to fasten to the strap of a stone or metal utensil, and as a filler for the handle.The Maya could use rubber to make shoes. Although Central America does not Read More

In today's society, there are tens of thousands of types of resins that have been reported, and no fewer than a thousand types have been industrialized. The selection of plastic materials is to choose a suitable one among the many resin varieties. It seems that there are many types of plastics for u Read More

Fogging of swimming goggles is a normal phenomenon, just like the windshield of a car, no matter how expensive it is, it is impossible to avoid fogging completely.If you are a person who often swims, then you should pay more attention to the waterproof effect rather than the anti-fog effect. When us Read More

Swimming goggles can effectively protect the eyes and prevent water from entering the eyes during swimming. Many people don’t know how to buy a good swimming goggles. Today, the manufacturer of reanson swimming goggles will tell you how to choose a good one. swimming glasses.In terms of performance, Read More

a good snowboard goggle is considered to have enough face foam around the lens for comfortable wearing. They come with flexible and wide straps for easy adjustment. Read More

Customized ski goggles can be divided into ordinary snowboard and double board sports ski goggles and snowmobile snow goggles, etc. Because the sunlight reflects very strongly on the snow, and the cold wind during sliding is very irritating to the eyes, ski goggles are needed. Protect the eyes of sk Read More

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Many ski beginners often have questions about whether novices need to wear ski goggles. The answer is of course. First of all, we must know why we must wear ski goggles. In fact, we have encountered some people who will ask if they can ski. When wearing swimming goggles, ski goggles are not necessar Read More