a ball through an opening into a net. it was remarkably similar to modern football, though similarities to rugby occurred. [ ] [ ] during the han dynasty ( bc – ad), cuju games were standardised and rules were established. [ ] phaininda and episkyros were greek ball games. [ ] [ ] an image of an episkyros...
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bearings - ball bearings can support moderate radial loads and moderate axial loads (parallel to the shaft). they can operate at high speeds. ball bearings with shields or seals for protection are usually lubricated to last for the operating life. airframe control ball bearings: single and double row...
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