23 CROP HARVESTERS AND CROP HARVESTING EQUIPMENT-NAMELY, SIEVES, CHAFFERS, AUGERS AND AUGER FLIGHTING, PICK-UP REELS, CONVEYORS, GREEN CROP LOADERS, CUTTERS, AND FLOATING CUTTER BARS; GRAIN AND SEED TREATING MACHINERY INCLUDING GRAIN CLEANERS AND SEPARATORS, CONTINUOUS FLOW HORIZONTAL, VERTICAL AND CENTRIFUGAL DRIERS, AND AUTOMATIC FEEDERS AND PARTS THEREOF; MILL MACHINERY-NAMELY, GRAIN SCALPERS, GRAIN ASPIRATORS, BUCKET ELEVATORS AND AIR SCRUBBERS, AND PARTS THEREOF