Colored cube pieces and car: what they have in common

1. Step 1. Colored cube pieces — is part of — Rubik’s Cube. 26 moving parts.
2. Step 2. Rubik’s Cube — has part — Spring. Springs adjust the tension.
3. Step 3. Spring — is part of — Clutch. A spring presses the plates together.
4. Step 4. Clutch — is part of — Car. The clutch disconnects the engine when shifting.

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