Chemical Machining:       Chemical machining is the process used to dissolve the workpiece material in the chemical solution. Since the chemical solution used have the ability to dissolve all the workpiece material.                                                                                                                 Figure: Chemical Machining               What do you mean by structure of machine tool?       Definition of structure of machine tool:       Housing, columns, bed and bases are combined called structure of machine tool.     Structure of machine is called backbone of machine tool. It is also ¾ weight of the machine tool.             
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