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 THE HUMIDITY CANNOT BE SEPARATELY REGULATED. Commodity Code Description 84 15 10 "AIR CONDITIONING MACH.,WINDOW/WALL TYPES, SELF-CONTAINED OR ""SPLIT-SYSTEM" 84 15 20 AIR CONDITIONING MACHINES, OF A KIND USED FOR PERSONS, IN MOTOR VEHICLES 84 15 81 OTHER:INCORP REFRIGERATING UNIT & VALVE FOR REVERSAL OF COOLING/HEAT CYCLE 84 15 82 OTHER AIR CONDITIONING MACHINES, INCORPORATING A REFRIGERATING UNIT 84 15 83 AIR CONDITIONING MACHINES NOT INCORPORATING A REFRIGERATING UNIT 84 15 90 PARTS: AIR CONDITIONING MACHINES.......