Ключевые слова: agriculture, at work, black, bottom, builder, building, clean, construction, construction helmet, dig, dirt, dirty work, drinking water, engineering, equipment, guy, hard work, helmet, hired labor, industrial, industry, job, laborer, male, man, occupation, orange, people, person, pit, plumber, portrait, professional, safety, shovel, sloppy, specialist, technical water supply, tool, untidy, water disposal, water supply, well, well cleaning, well digging, work, worker, young,