Ключевые слова: airport, bag, basket, bin, bins, blue, bottle, box, can, clean, color, concept, conservation, container, disposal, dustbin, earth, eco, ecological, ecology, empty, environment, environmental, flat, garbage, general, glass, green, hand, holding, junk, object, organic, paper, plastic, pollution, protect, recyclable, recycle, recycling, reduce, refuse, reuse, rubbish, separate, sign, symbol, trash, waste, yellow,