Ключевые слова: black, chlorin, coagulation, different, disinfectant, disinfection, drink, drinking, eco, equipment, faucet, filter, filtration, flocculation, fluoridation, glyph, home, house, icon, illustration, industrial, industry, layers, monochrome, natural, nature, pipeline, portable, pot, process, sedimentation, sign, sink, symbol, system, tank, tool, water,