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 18 HEADING 84.15. 84 18 21 REFRIGERATORS H/H TYPE, COMPRESSION TYPE: FROST FREE, ELECTRICAL Commodity Code Description 84 18 21 10 REFRIGERATORS H/H TYPE, COMPRESSION TYPE: FROST FREE, ELECTRICAL 84 18 21 20 REFRIGERATORS, H/H TYPE, COMPRESSION TYPE: OTHER, ELECTRICAL 84 18 21 30 REFRIGERATORS, H/H TYPE, COMPRESSION TYPE: NON-ELECTRICAL