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 42 Machinery, apparatus and equipment (other than the machines of headings 84.56 to 84.6 Commodity Code Description 84 42 10 Phototype-setting and composing machines 84 42 20 Machinery, apparatus and equipment for type-setting or composing, nes 84 42 30 Machinery, apparatus and equipment for making printing blocks..., nes 84 42 40 Parts of type-setting... machinery 84 42 50 Plates, cylinders and other printing components; plates, cylinders and lithographic s