Ключевые слова: art, background, beautiful, bright, bulge, bump, checkered, checkerplate, coating, color, composition, computers, concepts, creativity, decoration, design, effect, elements, features, figures, floor, friction, green, grid, illustrations, images, industry, iron, line, materials, metal, model, modern, plate, produce, products, relief, resistance, shape, sheet, shiny, stainless, steel, stripes, surface, texture, trample, trendy,