Ключевые слова: abstract, auger, background, bit, black, build, business, closeup, coating, computer, construction, cutter, cutting, design, drill, drilling, engineering, equipment, gray, heap, hole, industrial, industry, instrument, isolated, macro, man, manufacturing, metal, metallic, milling, part, pattern, perforate, person, power, production, retro, sharp, shiny, silver, single, spiral, steel, strength, technology, texture, tool, work, workshop,