Ключевые слова: access, architecture, background, block, blue, board, build, building, clamp, construct, construction, coupler, coupling, design, detail, development, engineering, erection, frame, framework, height, industrial, industry, iron, light, metal, new, pipe, pole, preparation, project, safe, safety, scaffold, scaffolder, scaffolding, site, stage, staging, steel, structure, support, technology, temporary, tower, trade, tube, work, working, workplace,