Trowel blade and steam turbine: what they have in common

1. Step 1. Trowel blade — is part of — Trowel. A steel plate for mortar.
2. Step 2. Trowel — is used in — Brick. Bricklaying with a trowel.
3. Step 3. Brick — is material for — Power station. The buildings of the first power stations were brick.
4. Step 4. Power station — includes — Geothermal power station. A power station.
5. Step 5. Geothermal power station — has part — Steam turbine. Steam from underground turns the turbines.

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