Ключевые слова: banner, brochure, business, canada, chemical, construction, container, contour, country, economic, energy, engineering, equipment, exploration, extraction, flag, flat, fossil, fuel, gas, icon, industry, line, linear, liquefied, liquid, lng, manufacture, mine, mineral, mining, national, natural, outline, page, poster, power, pressure, production, resource, round, silhouette, site, storage, supply, symbol, tank, technology, thin, web,