Ключевые слова: bit, build, closeup, concept, construct, construction, cutter, drill, drilling, engineering, equipment, factory, hard, hole, improvement, industrial, industry, instrument, machine, macro, manufacturing, material, mechanic, metal, metalworking, milling, pattern, power, precision, production, repair, sharp, shaving, shiny, speed, spiral, stainless, steel, strength, structure, technology, tool, turning, work, workshop,