Question

$1. \: write \: some \: uses \: of \: plastic \: based \: on \: poor \: conductivity \: of \: heat \: and \: electricity.$
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Answer 1

Answer:

Plastics are used to make casing of home appliances such as electric kettles and jugs that hold hot liquids. - Plastics are used to make the casing of flasks. Their poor heat conductivity prevents the loss or gaining of heat to/from the environment, keeping the contents of the flask in an almost constant temperature.

Answer 2

Answer:

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