Ключевые слова: art, bar, black, block, bolts, build, clamp, clamped, connected, construct, construction, coupler, coupling, development, engineering, erection, framework, grip, industrial, industry, iron, light, link, metal, new, pipe, pole, preparation, project, rods, safe, scaffold, scaffolder, scaffolding, screw, shadow, silhouette, site, staging, steel, structure, support, swivel, temporary, tightened, tower, tube, white, working, workplace,