The Machining of Metals

Well the clue is in the title but just in case you'd missed it, the opening narration informs us that machining is, indeed, the use of one power tool to cut through - usually in layers - other bits of softer metal. That's illustrated in close up as the planes and milling machines, borers and drills, grinding wheels and, of course, a lathe do their work. Though there's a great deal of automation go…