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