Gates, doors and shutters, not of metal, in particular entrance gates, safety doors, protective gates and protective doors, in particular water, fire and radiation protection gates and doors, clean room doors; signs and panels and barrier posts and panels, non-luminous and non-mechanical, not of metal, for roads; bollards, not of metal; road barriers, not of metal; transportable shelters of prefabricated formwork construction, in particular for emergency power units; preassembled building parts, shaped parts, profile parts, not of metal, in the form of crash barriers, crash walls, skid barriers, noise protection embankments and sight-screen walls for roads; building parts, shaped parts and profile parts, not of metal, for crash barriers, crash walls, skid barriers, noise protection embankments and sight-screen walls for roads; rolled, drawn, pressed, forged and cast components and profile parts of plastic, in particular for the extension of ways, stays, bottoms and shafts of mineworkings, of galleries, tunnels, channels, protective rooms, protective bunkers and protective galleries, and for road building and hydraulic engineering; frames, rings, arches, roof timbers, props, supports, foot plates, brackets, braces, joints and sheathing and bolting elements of plastic for the extension of ways, stays, bottoms and shafts of mineworkings, of galleries, tunnels, channels, protective rooms, protective bunkers and protective galleries, and for road building and hydraulic engineering; trough profiles and web profiles of plastic; connecting elements and connecting pieces of plastic and connections consisting thereof, for extension arches, roof support systems, support rings, roof timbering, extension props and support shields; floor joists, support brackets, roof timber mountings and roof timber support shoes of plastic; timbering for ways, tunnels, galleries and shafts and parts therefor of plastic, in particular formwork arches, formwork rings, loose and fixed formworkshells, folding sections for braces, frameworks, joints, anchors, foot plates and floor joists; falsework of plastic; flanges, tubbings