Ключевые слова: borer, boring, construction, derrick, drill, driller, drilling, drilling machine, drink, dust, earth, equipment, excavation, exploration, explosion, extreme, fossil, geology, heavy, industrial, industrial equipment, industry, iron, iron ore, landscape, machine, machinery, metallic, metallurgists, mine, mineral, mining, open, ore, power, quarry, quarrying, rock, rock drilling, sky, stone, technology, tool, transport, transportation, vehicle, work, workplace, yellow,