Ключевые слова: blue, breakstone, calculus, career, cargo, carrying, cloud, construction, day, daytime, embankment, excavation, factory, generator, gravel, grey, heap, high, hill, industry, landscape, large, macadam, many, mining, mound, mountain, objects, pile, pyramid, quarry, road, rock, rough, sand, site, size, sky, stone, sunny, view,