Ключевые слова: beach, bird, business, construction, dirt, dirty, drain, dumping, ecology, environment, environmental, extraction, factory, flow, flowing, industrial, industry, iron, large, leak, liquid, manufacturing, metal, mining, mud, outdoor, pipe, pipeline, pollution, production, pump, quarry, resource, rusty, sand, sea, seagull, sky, sludge, stream, system, technology, transfer, tube, waste, wastewater, water,