Ключевые слова: background, bin, bottle, business, can, clean, concept, conservation, container, disposal, dump, eco, ecological, ecology, energy, environment, environmental, factory, flat, garbage, glass, global, green, horizontal, industry, landfill, management, manager, metal, nature, organic, paper, people, person, plastic, pollution, protection, recycle, recycling, reuse, rubbish, save, sign, sorting, symbol, trash, waste, waste management, worker,