Shaped plastic elements, namely, struts, strut pieces, bases and corner pieces for the production of storage frames, of shelving frames and of frames for trays; Non-metal frames for containers and for storage trays; furniture shelving frames; storage shelving unit frames; combinations of frames for storage trays and storage trays, sold complete; kits of parts for assembly into frames for storage trays; trolleys for storage trays; shelving trolleys for storage trays; storage trolleys for stora...