Consider almost any manufactured product: aircraft, motor cars, televisions, computers, or ships. All are really composites of a number of different elements. In previous chapters we have seen some of the means whereby the individual items and products can be produced; here we examine the methods used to join these elements together. The joining process is usually called ‘assembly’ if mechanical fastening is being used or a number of components and ‘sub-assemblies’ are being combined. If welding, especially fusion welding, is being used then ‘fabrication’ is normally the term applied.
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