Ключевые слова: agriculture, backgrounds, blue, building, close up, color, concepts, construction, dirty, equipment, farm, flowing, formal, garden, gardening, grass, green, handle, house, industry, iron, land, liquid, machine, measurement, metal, natural, nature, object, open, operated, order, outdoors, part, pipe, pipeline, plant, plumber, power, row, rural, smooth, steel, summer, technology, temperature, tube, valve, water, weather,