Ключевые слова: blueprint, builder, business, checking, construct, construction, contractor, drawing, employee, employment, engineer railway, engineering, helmet, industrial, industry, inspect, inspector, iron, job, machine, maintenance, material, mechanical, metal, quality, rail, rail train, railroad, railway, repair, safety, site, station, steel, switch, technician, technology, track, train, transport, transportation, travel, warehouse, way, work, worker, worker railway, workers, workman, workshop,