There is a tendency for simplifying the construction of gears. Many manufacturers design gearless electric drives for power mechanisms like traction. Rejection of mechanical transmission and replacing obsolete induction motor with energy-efficient permanent magnet synchronous machine allow to increase electric drive reliability. reduce repair and maintenance costs. https://www.spidertattooz.com/Air-Force-Embroidered-OCP-Sew-On-Officer-Rank-Insignia-Major/
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