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 15 Air conditioning machines, comprising a motor-driven fan and elements for changing th 84 15 90 Chassis, welded and painted, other than of subheading 8415.90.13 84 15 90 15 Chassis, welded and painted, other than of subheading 8415.90.13 Commodity Code Description 84 15 90 15 00 Chassis, welded and painted, other than of subheading 8415.90.13