The substance called fiberglass is used for a wide range of things: boats, bodies, skates, curtains, and even yo-yos.
One may wonder why it is called this way, since it doesn't look like glass.
But fiberglass is made from the same substances as ordinary glass. Glass is heated, and with the molten material fine yarns are made, which can be woven together to make fiberglass fabrics. Fiberglass threads are often used to reinforce plastics, making them stronger without adding extra weight.
This reinforced plastic is what many people call "fiberglass.
Known fiberglass was originally a brand, FIBERGLASS, and could only be used by the company that first made it. But in the United States today, anyone who makes fiberglass can call it that.
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