Furniture, including mobile furniture, in particular office furniture and school furniture; tables; stackable tables; foldaway tables; adjustable height tables; desks; standing desks; height-adjustable standing desks; racks; rack elements; mobile rack units; shelving; shelving elements; mobile shelving units; cabinets, in particular office cabinets and school cabinets; cabinet elements; cabinet units (furniture), in particular mobile cabinet units (furniture); parts for all the aforesaid goods