Ключевые слова: alternative, bag, barrel, beer, care, collection, concept, contour, design, eco, ecology, energy, environment, flat, friendly, global, heart, icon, line, linear, logo, material, nature, nobody, object, opener, outline, paper, pictogram, planet, policy, power, protection, recycling, set, shape, sign, silhouette, simple, source, sun, sustainable, symbol, template, thin, trash, web, zero waste,