Haemostat and turbojet engine: what they have in common

1. Step 1. Haemostat — has part — Ratchet. A ratchet lock.
2. Step 2. Ratchet — includes — Freewheel. A ratchet.
3. Step 3. Freewheel — uses — Torque. It transmits torque in one direction only.
4. Step 4. Torque — is used in — Turbine. The flow creates torque.
5. Step 5. Turbine — is part of — Turbojet engine. The turbine drives the compressor.

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