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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 1The production department sets up and uses the tools and machines to make the product A management worker, the supervisor, is normally in charge of this department The supervisor tells the pro

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  Text 1A mill is versatile machine tool which is useful for machining the rough surface of a work piece flat and smooth and for shaping them with slots, and holes The work piece is held by a vise on

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  Text 1The marketing department conducts market research and advertises, packages, sells, and distributes the product Market researchers do surveys to see what consumers want, if they like their prod

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  Text 1Copper (Cu), first produced in about 4000 BC, and its alloy have properties somewhat similar to those of aluminum and its alloys In addition, they are among the best conductors of electricity

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  Text 1The selection of a cutting fluid should also include considerations such as its potential effect on workpiece material and machine tools, biological factors, and environmental factorsBiologica

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  Text 1For industrial purposes, materials can be divided into engineering materials and non-engineering materials Engineering materials are those used in manufacturing and will be parts of produc

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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 densi

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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 1Manufacturing gives jobs to people and makes the products consumers need Manufacturingpanies hire people with many types of skills and talents to help thepaniespete well in the wor