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Keywords:apparatus, background, combine, concept, conceptual, connecting, development, dovetail, endurance, energy, engine, engineering, evolution, force, gear, idea, industrial, industry, isolated, join, machine, machinery, mechanical, mechanics, mechanism, metals, motor, parts, perfection, pinion, power, precise, precision, progress, quality, rotate, spare-part, strength, strong, teamwork, tech, technology, tools, transmission, turning, white, add, close, close-up, up
