Ключевые слова: aged, circle, clockwork, cogged, cogwheel, concept, conceptual, corrode, corrosion, corrosive, design, development, energy, engine, engineering, equipment, force, geometric, hitech, idea, industrial, industry, mechanical, mechanicalparts, mechanism, metal, metallic, motor, mover, old, orbit, play, power, progress, rack, repair, rotate, running, rust, rusted, rusty, steel, stilllife, strength, strong, technology, tools, toothed, transmission, wheeled,