Manufacture of metal-forming machinery and machine tools
manufacture of interchangeable tools for hand tools or machine tools (e.g. drills, punches, dies, taps, milling cutters, turning tools, saw blades, cutting knives, etc.), see 2593. manufacture of electric hand held soldering irons and soldering guns, see 2790. manufacture of power-driven hand tools, see 2818. manufacture of machinery used in metal mills or foundries, see 2823. manufacture of machinery for mining and quarrying, see 2824
manufacture of punch presses, hydraulic presses, hydraulic brakes, drop hammers, forging machines, etc.
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