Hat brim and car: what they have in common

1. Step 1. Hat brim — is part of — Hat. The brim of the hat.
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 — is made of — Vulcanized rubber. The belt is rubber.
5. Step 5. Vulcanized rubber — is material for — Windscreen wiper. The blade is rubber.
6. Step 6. Windscreen wiper — is part of — Car. Windscreen wipers.

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