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 05 Producer gas or water gas generators; acetylene gas generators, etc 84 05 10 Producer gas or water gas generators, with or without their purifies; acetylene gas .... Commodity Code Description 84 05 10 00 Producer gas or water gas generators, with or without their purifies; acetylene gas ....