23 GRAIN HANDLING EQUIPMENT-NAMELY, AUGERS, SCREW CONVEYORS, CARRIER AUGERS, HOPPERS, DISTRIBUTING AUGERS, BIN UNLOADERS, BIN SWEEPS, UNLOADING AUGERS; LIVESTOCK FEEDING EQUIPMENT-NAMELY, BUNK FEEDERS, SUPPLY AUGERS, MILLS, BLENDERS, CRIMPING MACHINES, BELT, SCREW, PNEUMATIC AND TRAY CONVEYORS USED IN HANDLING GRAIN, FEEDS AND OTHER FREE FLOWING MATERIAL; AND PARTS AND COMPONENTS OF SUCH EQUIPMENT