Ключевые слова: acceptable, chemical, chemicals, clean, concept, conceptual, contaminate, contaminated, danger, drinking water, ecology, ecosystem, environmental, fall, faucet, filtered, filtration, fit, flow, global, good, harmful, harmless, health, healthy, issue, kitchen, metaphor, micro plastic, microplastics, natural, no, noxious, optimal, pet, plastic, plastics, pollutant, pollution, problem, pure, quality, safe, safe water, switch, symbol, tap, uncontaminated, unobjectionable, unpolluted, water, well, wellbalanced, zero,