Ключевые слова: activity, agriculture, black, carbon, clearing, cloud, clouds, construction, country, dirt, distance, dust, earth, environment, equipment, excavation, farming, field, fieldwork, ground, growth, heavy, industrial, landscape, load, machinery, management, material, moving, muck, muddy, nature, operational, organic, outdoor, pile, pollution, rural, site, sky, smoke, soil, soot, surgery, terrain, tractor, transportation, use, work, working,