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Deep groove ball bearings.

Deep Groove Ball Bearing

Deep groove ball bearings.…

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Type of copper Oxide

Oxygen can be combined with Copper in diverse ways to produce two kinds of compounds: copper oxide (I), a reddish powder, and copper oxide (II), a black powder. These compounds are also found in nature as minerals; both copper oxides are used in the ...…

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How is 3D printing Metal powder made?

The 3D printing metal powder preparation method can be divided into: reduction method, electrolysis method, grinding method, atomization method, etc. according to the preparation process. At present, the two most advanced powder making proce…

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