Ключевые слова: accuracy, apparatus, brown, circular, closeup, cogwheel, conical, connection, detail, dimensional, energy, engine, engineering, equipment, gear, gearing, heavy, industrial, industry, interlocked, iron, machine, machine part, machine teeth, machinery, macro, mechanical, mechanics, mechanism, metallic, motion, part, pinion, precision, shapes, shiny, spiral, steel, strength, teamwork, technology, teeth, togetherness, toned, tools, transmission, turn, turning, wheel, work,