25.53011Niveau 7

Perçage, tournage, fraisage, arasage, rabotage, rodage, brochage, dressage, sciage, meulage, affûtage, etc., de pièces métalliques

Drilling, turning, milling, shaving, planing, lapping, broaching, dressage, sawing, grinding, sharpening, etc. of metal parts