How to electropolish aluminum
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ShopBuilt - How to Anodize Aluminum!
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How to electropolish the metal on a diecast car.
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No more sandaper - use electricity to polish metals. Electropolishing: how to use and therory
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Odrdzewianie (elektroliza)
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Drill through anything (conductive) with Electrical Discharge Machining
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More info about sputtering: process parameters, chamber construction
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