Ключевые слова: caucasian, checking, contractor, diesel, diversity, employee, engine, engineer, ethnicity, examining, foreman, industrial, industry, infrastructure, inspect, inspector, job, labor, logistic, machine, maintenance, man, manager, mechanical, partner, partnership, people, rail, railroad, railway, repair, safety, station, structure, suit, supervisor, system, tablet, team, teamwork, technical, technician, track, train, transport, transportation, vehicle, woman, worker, workman,