Metal and polymer shelves, shelves, non-metal shelves, shelving systems consisting of shelves and supports, enclosure panels, racks, hanger rails, bins and boxes, totes, posts, connectors, post-to-post connectors, supports, poles, storage baskets, wire baskets, shelf and drawer dividers, shelf inlays, utility baskets, hooks, utility hooks, casters, foot plates, leveling feet and supports therefor, wall hangers, floor protector, clothes hanger tubes, shelf collar plugs; and metal shelf brackets sold as a unit with shelving