Can body and electric motor: what they have in common

1. Step 1. Can body — is part of — Tin can. A tin cylinder.
2. Step 2. Tin can — is made of — Tin. Tinplate.
3. Step 3. Tin — is material for — Model railway. The first models were tinplate.
4. Step 4. Model railway — has part — Electric motor. Small motors.

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