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Conductors and Insulators are different concepts. Good Conductors for "general" purposes include copper, aluminum, lead, and tin. Gold is an excellent conductor, but generally only used when extremely fine contacts are required. Good insulators include many plastics, glass, and ceramics. "Moisture" is also a good conductor, and often bridges the gap between a good conductor and a good insulator which can be bad. However, there are times when say a saline solution would be specifically chosen for its conductive properties.

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15y ago

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