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 29 Self-propelled bulldozers, angledozers, graders, levellers, etc 84 29 40 Tamping machines and road rollers 84 29 40 00 Tamping machines and road rollers Commodity Code Description 84 29 40 00 000 Tamping machines and road rollers