Ключевые слова: background, bank, bathroom, bills, budget, care, clean, concept, consumption, control, costs, drink, drop, ecology, economy, environment, expenses, facility, faucet, home, house, investment, jet, kitchen, leak, leaking, liquid, metal, money, municipal, object, person, pig, piggy, piggy bank, piggybank, pink, pouring, problem, purified, recycling, resources, save, saving, sink, tap, utility, wash, water, wet,