47C · industrial processes, handling of materials
- 47C2 · displacing, removing (industrial processes)
- 47C3 · dividing (industrial process)
- 47C4 · connecting, gripping, lashing, joining (industrial processes)
- 47C5 · smoothing, polishing, etc. (industrial processes)
- 47C6 · mixing, moulding, casting, etc. (industrial processes)
- 47C7 · bending, folding, shaping, etc. (industrial processes)
- 47C8 · boring, drilling, piercing (industrial processes)