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 81 Taps, cocks, valves and similar appliances for pipes, boiler shells... 84 81 80 Fuel cut-off valves for vehicles of heading 87.02, 87.03 or 87.04 84 81 80 87 Fuel cut-off valves for vehicles of heading 87.02, 87.03 or 87.04 Commodity Code Description 84 81 80 87 00 Fuel cut-off valves for vehicles of heading 87.02, 87.03 or 87.04