Ключевые слова: auger, bore, borehole, business, climate, clouds, diesel, dig, drill, drilling, earth, energy, engineering, environment, equipment, extraction, fracturing, gasoline, ground, groundwork, highway, hole, hydraulic, industrial, industry, machine, machinery, natural, oil, outdoor, petrochemical, petroleum, piling, power, production, prospecting, resource, rig, road, sand, sands, site, sky, soil, steel, structure, technology, tool, work,