handle of pressure cooker is covered with thick plastic.why

Plastic is a bad conductor of heat. The pressure cooker is made of metal which can conduct heat. Thus, to protect us from burns, the handles of a pressure cooker is made of plastic.

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bcoz it is an insulator of electricity
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pressure cooker belt is made up of? ???
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The handle needs to be made of something which is not a good conductor of heat. If the handle will be made up of metal or any other good conducter of heat it will become extremely hot and chance of burning your hand will be likely.therefore it is made up of plastic.
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