Galvanization and railway track: what they have in common

1. Step 1. Galvanization — is used in — Barbed wire. The wire is galvanized.
2. Step 2. Barbed wire — uses — Wire drawing. Wire is made by drawing.
3. Step 3. Wire drawing — is used in — Wire rope. The wire is drawn.
4. Step 4. Wire rope — is part of — Funicular. A cable.
5. Step 5. Funicular — uses — Railway track. Rails.

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