Ключевые слова: agriculture, background, black, brown, building, communications, construct, construction, deep, dig, dirt, dirty, ditch, drainage, earth, equipment, excavation, farm, farming, garden, gardening, grass, ground, herbs, industrial, industry, infrastructure, iron, land, life, nature, organic, outdoor, outdoors, pit, sand, shovel, shoveling, site, soil, summer, tool, tools, trench, up, village, wood, work, worker, working,