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 20 Calendering or other rolling machines and cylinders therefor 84 20 10 Apparatus for the application of dry film or liquid photo resist, photo-sensitive lay 84 20 10 10 Apparatus for the application of dry film or liquid photo resist, photo-sensitive lay Commodity Code Description 84 20 10 10 00 Apparatus for the application of dry film or liquid photo resist, photo-sensitive lay