Fretted guitar neck and lathe: what they have in common

1. Step 1. Fretted guitar neck — is part of — Guitar. Frets set the pitch of the notes.
2. Step 2. Guitar — has part — Strings. Six strings.
3. Step 3. Strings — is part of — Violin. Four strings.
4. Step 4. Violin — uses — Friction. The bow sets the string vibrating by stick-slip friction.
5. Step 5. Friction — is used in — Rope. Twisted fibres hold each other by friction.
6. Step 6. Rope — is part of — Lathe. The bowstring wraps around the workpiece and turns it.

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