Ключевые слова: apparatus, arrangement, build, business, businessman, character, cogwheel, concept, connection, construction, consultant, control, cooperation, design, development, difficult, engineer, engineering, equipment, evolution, factory, finance, fix, gear, idea, industrial, industry, mechanical, mechanics, mechanism, metal, metallic, power, professional, progress, render, repair, service, steel, strategy, success, technology, tool, worker, wrench,