Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers,and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 04 Auxiliary plant for use with boilers; condensers for vapour power units 84 04 20 Condensers for steam or other vapour power units 84 04 20 00 Condensers for steam or other vapour power units Commodity Code Description 84 04 20 00 000 Condensers for steam or other vapour power units