Ключевые слова: bolt, bolts, close up, closeup, component, components, container, detail, drive, dust, dusty, enduring, engineer, engineering, engineering gear, fabrication, gear wheel, grease, greasy, grime, grunge, grungy, hard, hardness, industrial, industry, lathe, lube, lubricant, lubricating, lubrication, machine, machinery, macro, mechanical, metal, metal working, milling, notch, oil, pinion, power, precision, shavings, tool, tooling, tools, turnery, work, workshop,