Ключевые слова: barren, boulder, brown, bulldozer, carbon, cast, chiming, chimney, cliff, coal, copper, country, crag, cultivator, cut, engine, exploit, exploitation, explore, extract, fabric, factory, finery, flue, funnel, furnace, iron, ironworks, machine, manufacture, metal, mill, mine, pit, plant, rock, rubbish, sand, scar, smelter, smelting, smoke, soil, stack, tailings, tractor, transportation, tunnel, works,