Ключевые слова: architecture, blueprints, building, business, city, columns, concrete, construction, crane, demolition, design, development, dig, electricity, engineering, environment, excavation, exposure, foundation, framework, harness, height, industrial, industry, infrastructure, installation, land, lift, machinery, management, manual, material, performance, planning, progress, project, property, safety, scaffold, site, storage, structure, tools, tower, transport, trucks, urban, work, workers, yard,