Flour and steam turbine: what they have in common

1. Step 1. Flour — is material for — Bread. Ground grain.
2. Step 2. Bread — is made of — Grain. Bread is baked from flour ground from grain.
3. Step 3. Grain — is used in — Grain elevator. It stores and transfers grain.
4. Step 4. Grain elevator — has part — Watt steam engine. Dart’s first elevator was steam-driven.
5. Step 5. Watt steam engine — evolved into — Steam turbine. The turbine replaced piston engines in large installations.

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