Ключевые слова: arrow, awareness, bin, bio, blue, bottle, can, collect, color, colorful, concept, conserve, container, degradable, discard, disposal, earth, ecology, environment, garbage, green, icon, litter, material, metal, natural, object, organic, outdoor, paper, park, plastic, pollution, protect, recycle, red, reduce, refuse, reuse, save, segregate, separate, sign, symbol, throw, trash, urban, waste, yellow,