Ключевые слова: blueprint, builder, business, checking, construct, construction, customer service, employment, engineer, engineer railway, engineering, helmet, industrial, industry, inspect, inspector, job, machine, maintenance, man, material, mechanic, mechanical, occupation, people, person, radio communication, rail, rail train, railroad, railway, safety, site, station, switch, technician, technology, track, train, transport, transportation, travel, urban, vehicle, warehouse, work, worker, worker railway, yard, yard work,