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 17 Industrial or laboratory furnaces and ovens, including incinerators, non-electric. Commodity Code Description 84 17 10 Furnaces and ovens for the roasting, melting or other heat treatment of ores, pyrites 84 17 20 Bakery ovens, including biscuit ovens 84 17 80 Other 84 17 90 Parts