Ключевые слова: accuracy, apparatus, brown, circular, closeup, cogwheel, conical, connection, dimensional, engine, engineering, equipment, gear, gearing, heavy, heavy industrial, 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,