Ключевые слова: access, altitude, architecture, beams, block, board, bracing, build, construction, coupler, coupling, development, erection, frame, framework, height, industrial, industry, iron, metal, new, no people, nobody, pipe, pole, preparation, project, rigging, safe, safety, scaffold, scaffolder, scaffolding, site, stack, stage, staging, steel, steelwork, structural, structure, support, temporary, tower, trade, truss, tube, work, working, workplace,