Ключевые слова: abstract, air, arrow, awareness, background, bubbles, business, clouds, concept, corelation, course, cycle, cyclic, disposal, dispose, earth, elements, environment, environmental, garbage, global, grass, green, healthy, industrial, industry, isolated, meadow, natural, nature, pictogram, planet, pollution, pure, purity, recycle, recycling, refuse, relation, reuse, safe, scrap, sign, sky, symbol, utilization, utilize, waste,