20 WIRE SHELVES AND PARTS AND ACCESSORIES THEREFOR, NAMELY CLIPS, POSTS, JOINING BARS, ADD-ON SUPPORTS, CORNER HOOKS, BACK AND SIDE LEDGES, DIVIDERS, BIN MARKERS FOR HOLDING IDENTIFICATION LABELS, BACK AND SIDE CLOSURES, SLIP LOCKS, SHELVES, DRAWERS, POST EXTENDERS, POST CLAMPS, BRACKETS, BARS AND HANGERS PRIMARILY FOR CLOTHES, AND DOOR PROTECTORS