The ambience has a critical effect on the characteristic of bead formed by fuse breaking of the electric copper wire in fire.

火灾中短路发生时周围的环境气氛对短路时导线上形成的熔化痕迹特征具有决定性影响。

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This wire inside an electric lamp is not made of copper but it is made of tungsten.

电灯里面的电线不是铜丝而是钨丝。

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Make the electric windings out of copper pipe instead of wire and pump helium through them.

把线圈放到铜管外面，而不是让金属丝和泵氦通过其中。

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Fourth, sell diamond rings to college students and fifth, send computer data over copper electric wires.

FORBES: Barnacles, Diamonds and Cows: 5 Startup Failures--My 5 Lessons Learned

The more electric a vehicle is, the more copper it contains (with the exception of completely impractical fuel cell cars).

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Putting more than half a million road miles on development versions of the Spark EV enabled engineers to make the performance of the electric motor the best it could be by using a bar wound copper stator and unique rotor configuration.

ENGADGET: Chevy Spark EV rated most efficient retail car with 82-mile range, 119 MPGe