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Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/admin/domains/scienceflicks.com/public_html/bcms/bcmscore.lib.php on line 1616 BOLTR: Sprag Clutch | Engineered Bearings in General Technology Videos | Science Flicks
We look inside a one way bearing to see how it works. In this case, it's a sprag clutch type. Thanks for your help making VJOs. I appreciate your help. Early access here http://www.Patreon.com/AvE
