Ключевые слова: architecture, beam, bolt, builder, building, change, concrete, construction, contractor, design, engineering, equipment, extension, fitting, fixing, force, garage, hand, helmet, industrial, industry, job, lug, maintenance, man, mechanic, nuts, occupation, people, plate, pressure, safety, service, site, socket, spanner, specification, splice, steel, structure, technology, tightening, timber, tools, torque, transportation, wheel, work, worker, wrench,