Ключевые слова: bluecollar, closeup, concentration, control, daytime, dirty, duty, effort, energy, engineering, equipment, gloves, grip, grunge, hands, heavy, helmet, hydraulic, industrial, industry, job, labor, machinery, maintenance, man, manual, manual labor, mechanical, oil, oilfield, operation, orange, outdoor, petrochemical, physical, pipes, production, profession, protective clothing, protective gear, safety, skill, steel, strength, technician, valves, work, worker, worker safety, yellow,