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 14 Air/vacuum pumps, air/gas compressors and fans;hoods with a fan 84 14 51 With protective screen 84 14 51 91 With protective screen Commodity Code Description 84 14 51 91 00 With protective screen