Ключевые слова: blasting, block, business, construction, crushed, crusher, dust, equipment, excavator, factory, fossil, geology, granite, gravel, hammer, heavy, industrial, industry, machine, machinery, manufacturing, material, mine, mineral, open, outdoor, pile, pit, plant, pneumatic, processing, quarry, quarrying, rock, rough, sorting, stock, stone, structure, sunny, surface, technology, tracked, work,