Manufacture of metalworking machines

This class includes: - manufacture of metalworking machine tools, including those operating using laser beam, ultrasonic waves, plasma arc, magnetic pulse and other processes - manufacture of turning, drilling, milling, cross-boring, boring, boring, boring, grinding and other machine tools - manufacture of stamping machines and presses - manufacture of sheet metal stamping presses, hydraulic presses, hydraulic punches, punches, bending machines, etc. - manufacture of tapping machines, threading machines, wire working machines, etc. Excludes: - manufacture of interchangeable heads for tools or machine tools, see 25.73 - manufacture of electric welding and electric welding equipment, see 27.90