Ключевые слова: abstract, agriculture, art, badge, bio, circle, complex, concept, contour, customizable, drawing, earth, eco, ecology, editable, electricity, environment, frame, friendly, garbage, graphic, green, icon, idea, illustration, isolated, leaf, lifestyle, line, linear, metaphor, nature, notion, organic, outline, planet, pollution, protection, recycle, refuse, resource, reuse, round, save, thin, waste, web, zero,