… shearing, punching, notching or nibbling (excluding draw-benches); presses for working metal or metal carbides, …
Explanatory notes
… shearing, punching, notching or nibbling (excluding draw-benches); presses for working metal or metal carbides, … metal or metal carbides. In general machine-tools are power-driven but similar machines, worked by hand or pedal, are … procedure until the final shape is achieved. (c) Hammers, drop forges and drop hammers (mechanical, hydraulic or …