Ключевые слова: agriculture, canal, clean, day, drain, drop, faucet, flow, flowing, groundwater, group, industry, iron, irrigation equipment, large, metal, new, nobody, old, oldfashioned, outdoors, pebble, photography, pipe, pipeline, pumping, river, riverbed, rock, rusty, splashing, steel, stream, sunlight, tube, water, water pipe, water pump,