Ключевые слова: arrow, basket, bin, bio, blue, bottle, can, clean, cleanup, collect, color, colorful, concept, container, discard, disposal, divide, earth, ecological, ecology, environment, environmental, garbage, glass, green, icon, material, metal, object, outdoor, paper, plastic, pollution, protect, recycle, recycling, red, reduce, refuse, segregate, separate, separation, sign, symbol, throw, trash, university, urban, waste, white,