Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THERE OF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORD ERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 79 Machines and mechanical appliances having individual functions, not specified or 84 79 89 Air coolers; air humidifiers and dehumidifiers 84 79 89 40 Air coolers; air humidifiers and dehumidifiers Commodity Code Description 84 79 89 40 00 Air coolers; air humidifiers and dehumidifiers