Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation:

8401

Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); superheated water boilers:

8402

Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units

8404

Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers

8405

Steam turbines and other vapour turbines:

8406

Spark-ignition reciprocating or rotary internal combustion piston engines

8407

Compression-ignition internal combustion piston engines (diesel or semidiesel engines):

8408

Parts suitable for use solely or principally with the engines of heading 8407 or 8408

8409

Hydraulic turbines, water wheels, and regulators therefor

8410

Other engines and motors

8412

Pumps for liquids, whether or not fitted with a measuring device; liquid elevators:

8413