METALLIC CONSTRUCTION MEMBERS, NAMELY TETESCOPING AND PERFORATED TUBING AND FITTINGS THEREFOR FOR USE AS FRAMINGS AND SUPPORTING MEANS FOR TEMPORARY AND PERMANENENT CONSTRUCTION OF BUILDING STRUCTURES

METALLIC CONSTRUCTION MEMBERS, TELESCOPING AND PERFORATED TUBING, AND FITTINGS AND CONNECTIONS THEREFOR, ADAPTED TO SERVE AS FRAMING AND SUPPORTING MEANS FOR TEMPORARY AND PERMANENT CONSTRUCTION OF BUILDINGS AND OTHER STRUCTURES-NAMELY, CEILING, WALL AND ROOFING PANELS, RACKS, SCAFFOLDING, LADDERS, RAILS, SHELVING, BENCHES, SIGNS AND BILLBOARDS, AWNINGS, FENCES AND THE LIKE