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