| 711 |
Steam or other vapour generating boilers, superheated water boilers, and auxiliary plant for use therewith; parts thereof |
| 712 |
Steam turbines and other vapour turbines, and parts thereof, n.e.s. |
| 713 |
Internal combustion piston engines, and parts thereof, n.e.s. |
| 714 |
Engines and motors, non electric (other than those of groups 712, 713 and 718); parts, n.e.s., of these engines and motors |
| 716 |
Rotating electric plant, and parts thereof, n.e.s. |
| 718 |
Power generating machinery, and parts thereof, n.e.s. |