Ключевые слова: binding, bond, bonding, circle, clockwork, cog, cogwheel, concept, conceptual, connect, connection, design, engineering, equipment, gear, gearing, graph, idea, indoor, industrial, industry, interlock, interlocked, interlocking, mechanical, mechanics, mechanism, metal, metallic, metaphor, nobody, paper, part, pencil, precision, steel, teamwork, technology, teeth, transmission, turn, wheel,