Ключевые слова: advertising, alternative, atom, booklet, branding, business, cog wheel, collection, construction, corporate, cover, droplet, ecology, economic, energy, engineering, equipment, factory, field, flag, gas, gear, illustration, india, industry, innovation, leaflet, machine, manufacture, nuclear, oil, petrol, plant, pollution, power, pump, ray, recycling, refinery, set, silhouette, supply, symbol, technology, text, textured, web, wind, wood,