Oil lamp and aeroplane: what they have in common

1. Step 1. Oil lamp — evolved into — Kerosene lamp. A development of the oil lamp.
2. Step 2. Kerosene lamp — uses — Kerosene. The fuel.
3. Step 3. Kerosene — is used in — Afterburner. It burns extra fuel in the exhaust.
4. Step 4. Afterburner — is part of — Jet fighter. An afterburner.
5. Step 5. Jet fighter — is a kind of — Aeroplane. An aircraft.

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