Hat crown and elevator: what they have in common

1. Step 1. Hat crown — is part of — Hat. The upper part.
2. Step 2. Hat — has part — Hat band ribbon. A band at the base of the crown.
3. Step 3. Hat band ribbon — is part of — Van de Graaff generator. It carries charge upwards.
4. Step 4. Van de Graaff generator — has part — Electric motor. The belt drive.
5. Step 5. Electric motor — is part of — Elevator. An electric motor turns the winch.

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