Ключевые слова: african, black, candid, casual, check, confidence, document, efficiency, electricity, energetic, engineer, engineering, facility, factory, foreman, hardhat, helmet, industrial, industry, inspector, job, machine, machinery, maintenance, male, man, manager, manufacturing, mechanic, notepad, occupation, people, plant, portrait, production, professional, protection, repairman, report, safety, smile, sweat, tablet, technician, warehouse, work, worker, working, workman, workplace,