Question

explain why the following are made of thermosetting plastics​

Answer 1

Answer:

they are made of thermosetting plastic because it can be heated onely once when it permanently set into a solid pattern which cannot be remelted and reshaped.

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Answer 2

Answer:

thermosetting plastics are the plastics that cannot be remoulded again on heating.

the sockets and switches are made up of it so that on fire the do not burn up.