Conductive wire core outside the use of heat-resistant polyester film insulation tape wrapped around, the outermost layer made of rubber insulation and sheath as protective layer.

导电线芯外面采用耐热聚酯薄膜绝缘带绕包，最外层用橡皮制成的绝缘兼护套做为保护层。

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Then a man appears selling giant rolls of insulation tape.

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