Ключевые слова: action, activity, base, boxing, builder, building, business, busy, cast, cement, city, concrete, construction, constructor, contractor, crew, development, employment, equipment, fabric, filling, form, formwork, foundation, framework, hard, hat, helmet, holding, industrial, industry, job, labor, male, man, manual, metal, occupation, people, person, pouring, rig, safety, site, steel, structure, town, winter, work, worker,