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Imperial Cubic Inches in Manufacturing
In the United States and UK imperial engineering, precision ball bearings, billiards balls, and sports equipment are measured in inches:
- Baseball: Diameter $\approx 2.9 ext{ in}$ ( = 1.45 ext{ in}$) $ o V \approx 12.77 ext{ in}^3$.
- Bowling Ball: Diameter $\approx 8.5 ext{ in}$ ( = 4.25 ext{ in}$) $ o V \approx 321.56 ext{ in}^3$.