23 MATERIALS HANDLING MACHINERY AND EQUIPMENT-NAMELY, SCRAP GRINDERS, CUTTER BLOWERS, GRINDER-BLENDER-LOADER UNITS, VACUUM LOADERS, [ BOTTLE TRIMMERS, EXTRUDERS, ] SHREDDERS, FILM RECYCLING UNITS, BLENDER-LOADER UNITS, COMPRESSED AIR LOADERS; AND BULK HANDLING UNITS, NAMELY, FOR BIN LOADERS, RAILROAD CAR UNLOADERS, STORAGE SILOS, AND OTHER INPLANT DISTRIBUTION SYSTEMS