History of ball bearings - NASA Technical Reports Server (NTRS) - discu.eu

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History of Ball Bearings (1981) [pdf] https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19810009866.pdf 12 comments 23/11/2017

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Becoming a Steelworker Liberated Her. Then Her Job Moved to Mexico. - The New York Times https://www.nytimes.com/2017/10/14/us/union-jobs-mexico-rexnord.html 149 comments

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