In the context of the processes listed, here's a breakdown of which are not considered metal cutting processes:
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Brazing - Not a metal cutting process. Brazing is a joining process that involves melting a filler metal to create a bond between two workpieces without melting the base metals.
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Drilling - A metal cutting process. It involves removing material to create holes in a workpiece using a drill bit.
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Filing - A metal cutting process. Filing involves using a file tool to remove material from a workpiece, often to shape or smooth the surface.
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Threading - A metal cutting process. This involves creating a helical groove (thread) on a workpiece using cutting tools, usually on a lathe or a specialized threading machine.
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Turning - A metal cutting process. This is a machining process where a workpiece is rotated against a cutting tool to remove material and shape it.
Based on this analysis, only Brazing is not a metal cutting process. The others (Drilling, Filing, Threading, Turning) are all considered metal cutting processes.