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Materials that don't carry electricity at all are called insulators. Materials that can barely carry electricity are poor conductors. Gold, silver, and copper are among the best conductors. Aluminum is not as good a conductor as copper, but it was used in electrical wiring for years and is still found in places. Carbon is not that good of a conductor, but it has its uses, mostly in carrying signals short distances or for making resistors in electronics. Nickel, chrome and tungsten are poorer conductors, and that is why they are used for producing light and heat.

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