Ключевые слова: background, basket, bell, bio, blue, clean, color, concept, conceptual, conservation, container, disposal, dump, dustbin, earth, eco, ecological, environment, environmental, garbage, green, icon, illustration, industry, litter, material, metal, natura, object, paper, plastic, pollution, protect, recycle, reduce, refuse, reuse, rubbish, save, sign, symbol, thousand, throw, trash, waste, white,