Ключевые слова: abstract, antique, apparatus, art, business, circle, clockwork, cogwheel, concept, connection, decor, decoration, design, element, energy, engineering, equipment, gear, gold, idea, industrial, industry, iron, machine, machinery, mechanical, mechanism, metal, metallic, old, ornamental, part, precision, progress, shape, steel, teamwork, technology, texture, turning, wheel, working, yellow,