Wooden soundboard und tunnelling shield: was sie gemeinsam haben
- Schritt 1. Wooden soundboard — ist Teil von — Violin. The top and back plates of the body.
- Schritt 2. Violin — nutzt — Friction. The bow sets the string vibrating by stick-slip friction.
- Schritt 3. Friction — wird verwendet in — Pallet. The load is held on the deck by friction.
- Schritt 4. Pallet — wird verwendet in — Forklift. It works with pallets.
- Schritt 5. Forklift — hat als Teil — Hydraulic cylinder. Lifting the forks.
- Schritt 6. Hydraulic cylinder — wird verwendet in — Tunnelling shield. The shield was pushed forward by jacks.