Ключевые слова: below view, biological, burying, coverall, danger, digging, disaster, ecologist, ecology, environment, environmentalist, gas mask, greening, ground, growth, improve, nature, person, pit, planting, pollution, problem, protective, reforestation, replanting, research, researcher, respirator, safety, sapling, scientist, seedling, shovel, sky, soil, sprout, suit, tree, unrecognizable, volunteer, worker, zone,