Ключевые слова: background, blue, clear, cold, concept, conservation, conserve, drip, drop, ecology, environment, equipment, fall, faucet, garden, grass, hand, hf, leak, leaking, leaky, liquid, metal, old, outdoor, pipe, plumbing, preserve, protect, pure, rusty, save, shortage, shut, tap, tube, valve, waste, water, wet, white, woman,