Copper conductor PVC insulated PVC sheathed woven shield control cable.

铜芯聚氯乙烯绝缘聚氯乙烯护套编织屏蔽控制电缆。

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Copper conductor XLPE insulated fine steel armored PVC sheathed Flame-retardant power cable.

铜芯交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套阻燃电力电缆。

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Copper conductor XLPE insulated fine steel wire armored low-smoke and non-halo sheathed Flame-retardant power cable.

铜芯交联聚乙烯绝缘细钢丝铠装低烟无卤护套阴燃电力电缆。

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In this invisible world, tiny particles of gold melt at temperatures several hundred degrees lower than a large nugget, and copper, which is normally a good conductor of electricity, can become resistant in thin layers in the presence of a magnetic field.

ECONOMIST: Small wonders