Hey there, Indiana. It's official... our transformation is complete! We can't wait to share what we've been up to and what our evolution means for YOU.
a rod or spindle (either fixed or rotating) passing through the center of a wheel or group of wheels.
The wheel on its own, while promising, is not very useful. Much like a doughnut, its most important feature is the hole in the center. If it wasn't suitable for attaching a stable platform by using an axle, the wheel would be nothing but a cylinder rolling.
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Keep a civil tongue.