Clay loom weights and bicycle: what they have in common

1. Step 1. Clay loom weights — is part of — Warp-weighted loom. They tension the warp threads.
2. Step 2. Warp-weighted loom — is made of — Clay. The warp threads were tensioned with clay weights.
3. Step 3. Clay — is material for — Spindle. The spindle whorl was shaped from clay or carved from stone.
4. Step 4. Spindle — uses — Angular momentum. Spinning the spindle twists the thread.
5. Step 5. Angular momentum — is used in — Bicycle. The spinning wheels and the steering geometry help keep balance.

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