Ключевые слова: building, city, construction, coordination, day, design, development, engineering, equipment, field, gear, hard, has, highway, industry, infrastructure, job, laboratory, laborer, laying, lines, machinery, man, management, materials, monitoring, orange, outdoors, oversight, planning, professional, progress, project, rail, railway, railways, safety, site, skill, standing, structure, supervision, system, teamwork, track, trade, transport, transportation, uniform, urban, work, worker,