Ключевые слова: black, blueprint, caucasian, checking, construction, consultation, cooperation, day, direction, diverse, engineer, engineering, expedition, exploring, industrial, industry, infrastructure, inspect, inspection, inspector, job, labor, location, looking, maintenance, manual work, map, mechanic, navigating, outdoor, planning, professional, rail, railroad, railway, repair, route, searching, site, siting, steel, survey, teamwork, track, train, transport, transportation, women, work, worker,