Gears might be “old” technology, but they are still considered the most rugged type of mechanical drives. They transmit power with efficiencies of up to 98% and have long operational lives. That’s why ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!315206~!0#focus ...
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