Ключевые слова: accuracy, architecture, bar, beam, blur, building, business, carpenters, civil, column, construction, construction worker, contractor, dig, engineer, engineering, equipment, expression, grinder, hat, helmet, indoors, industrial, industry, iron, job, locomotive, logistics, one, outdoors, people, perspective, platform, production, professional, project, railway, safety, shipment, site, station, steel, subway system, train, transportation system, travel, urban, work, worker,