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  Text 1The engineering department designs, produces, and tests the first model of a new product These first models are called prototypes In the engineering department, scientists conduct tests and ex

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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 1A grinding machine is a random point cutting tool which uses abrasives in the shape of a wheel, bonded to a belt, a stick or simply suspended in liquidOn a cylindrical grinding machine the gri