Ключевые слова: abundance, architecture, basalt, black, bride, building material, business, construction site, cup, dark, development, difficulty, dump truck, equipment, factory, geology, heap, heavy, industry, landfill, large, machinery, material, mine, mineral, mover, nature, nutrition, occupation, pattern, quarry, refinery, rough, sand, saw, scaffolding, screening, stones, tarry, transportation, washing machine, working,