Ключевые слова: arrangement, blue, clouds of smoke, color image, colors, continuity, curve, diagram, distant, energy, focus on foreground, fuel and power generation, gradient, gray, group of objects, growth, horizontal, human height, image, image created 2000s, image created 21st century, image date, in a row, industry, light colors, mathematics, metal, model, moving up, no people, outdoors, pointing up, pollution, red, six objects, smoke, smoke pipe, stability, straight, striped, sun, sunlight, symbol, vibrant color, white,