BackGround History of Copper?

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Why is the filament of an incandescent light bulb made out of tungsten, as opposed to copper wire?

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what disolves copper?

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can I use a flexi hose to install my gas fire on does it have to be copper piping?

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how to make copper nanoparticles from copper nitrate?

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have a leak under kitchen sink. copper pipe. it has a push thing?

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Why do my water heater copper flex pipe connectors have a cancer warning???

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i need questions for copper!?

5 answer

Tolerances for inner and outer dimensions of copper tubes? Fifty

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When welding the refrigerator copper tube and iron pipe joint, what welding rod should be used?

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Why won't copper melt?

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How to bend 1/4 copper pipe without collapsing it?

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How can the air conditioner copper pipe burst?

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Is nickel harder than copper?

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with the copper u gain wight?

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remove copper pipe fitting?

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For equal thicknesses what is the better thermal conductor, Pyrex or copper?

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Should I repipe with copper?

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Central air-conditioning is not the thicker the better?

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the price of Copper?

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Can copper cause harm to the body?

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I have a friend recently Jiezhuang pipes, he said that PPR is lined with copper pipe, Shanghai brand, what treasure tube

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In a vandalized home, is it better and/or cheaper to replace the copper pipe or replace with PVC?

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What causes black water to come out of my pipes?

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I have a leaking copper radiator pipe in my boiler heating system.?

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Copper Pan Suggestions?

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Is it true that copper pipes put too much copper in the liver?

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Where can Beijing sell copper pipe 100?

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Why is copper used over other metals for generating electricity with magnets?

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copper pipe for bathtub spout?

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