Ключевые слова: 3d, abstract, aperture, background, bit, bore, build, builder, cement, chip, concrete, construction, contractor, drill, driller, drilling, equipment, gravel, groove, hole, improvement, industrial, industry, iron, labor, machine, machinery, material, messy, metal, mix, mixer, mixing, mortar, motor, object, old, penetration, plazma, pore, pour, power, public, repair, set, sharp, steel, tool, urban, wood, work, worker,