glass
porcelain
iron
P.V.C.
Answer is Wrong!
Answer is Right!
The correct answer is A. glass.
Porcelain is a type of ceramic made from kaolin, silica, and feldspar. It is a hard, brittle material that is often used for insulators because it is resistant to electricity and heat. Glass is also a hard, brittle material that is resistant to electricity and heat. However, it is less expensive than porcelain and easier to work
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