Jigsaw puzzle pieces und steam turbine: was sie gemeinsam haben

1. Schritt 1. Jigsaw puzzle pieces — ist Teil von — Jigsaw puzzle. Cardboard pieces with tabs and slots.
2. Schritt 2. Jigsaw puzzle — nutzt — Saw. Cut out with a fretsaw.
3. Schritt 3. Saw — wird verwendet in — Sawmill. The cutting tool is a saw.
4. Schritt 4. Sawmill — hat als Teil — Water wheel. Early sawmills were driven by water wheels.
5. Schritt 5. Water wheel — entwickelte sich zu — Turbine. The water turbine evolved from the water wheel.
6. Schritt 6. Turbine — umfasst — Steam turbine. A kind of turbine.

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