Ключевые слова: aged, circle, clockwork, cogwheel, conceptual, connecting, construction, cracks, development, endurance, energy, engine, engineering, evolution, force, gear, idea, industrial, machine, machinery, material, mechanical, mechanics, mechanism, metal, metallic, motor, perfection, power, precise, precision, progress, repair, rotate, rust, rusted, rusty, stain, steel, strength, strong, teamwork, tech, technology, texture, textured, tools, transmission, turning,