Heat engine and GPS (satellite navigation): what they have in common

1. Step 1. Heat engine — includes — Turbojet engine. A heat engine.
2. Step 2. Turbojet engine — uses — Kerosene. Jet fuel is kerosene.
3. Step 3. Kerosene — is material for — Reusable rocket. The fuel is kerosene or methane.
4. Step 4. Reusable rocket — has part — GPS (satellite navigation). Navigation during landing.

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