Ключевые слова: abstract, arrow, background, bio, car, circulation, city, collection, concept, design, earth, eco, ecological, ecology, electric, element, energy, environment, environmental, factory, flat, flower, globe, graphic, green, hand, hybrid, icon, illustration, industry, isolated, landscape, natural, nature, nuclear, organic, plant, pollution, recycle, risk, set, sign, silhouette, sun, symbol, tree, water, website, wind,