Here are entered works on methods for changing the size or shape of a workpiece by means of machine-operated cutting tools and including standard operations such as turning, shaping and planing, milling, grinding, and drilling.
Here are entered works on the special manufacturing methods by which raw materials are converted into usable product forms, including founding, turning, forging, welding, etc.
Here are entered works on attachments to machine-tools, such as drills, milling-cutters, reamers, etc. Works on cutting tools used independently are entered under the specific tool or machine.
