what are etchings ? In chemistry
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Chemical etching, also known as chemical milling or photo etching, is a subtractive sheet metal machining process which uses chemical etchants to create complex and highly accurate precision components from almost any metal.
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Answered by
3
Answer:
Chemical etching, also known as chemical milling or photo etching, is a subtractive sheet metal machining process which uses chemical etchants to create complex and highly accurate precision components from almost any metal.
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