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  Text 1Low-melting alloys are so named because of their relatively low melting points The major metals in this category are lead, zinc, and tin and their alloys Lead(Pb) has properties of high densit

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  Text 1Four general types of cutting fluids aremonly used in machining operations: oils, emulsions, semisynthetics, and syntheticsAn emulsion is admixture of two immiscible liquids (usually of oi

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  Text 1Materials differ widely in physical properties, machinability characteristics, methods of forming, and possible service lifeMechanical materials fall into two basic types: metallic or non-meta

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  Text 1Low-melting alloys are so named because of their relatively low melting points The major metals in this category are lead, zinc, and tin and their alloys Lead(Pb) has properties of high densit