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. |