Ключевые слова: adult, apprentice, builder, building, clothing, construction, crane, development, elevate, engineer, engineering, girl, heavy, helmet, horizontal, human, illustration, industrial, industry, isolated, job, labor, machine, machinery, man, metallic, people, person, person working, picking, profession, professional, protective, repairing, road, site, steel, surveyor, tool, wall, worker, working,