Siege tower and oil lamp: what they have in common

1. Step 1. Siege tower — works like — Tank. An armoured mobile shelter and platform for attacking fortifications.
2. Step 2. Tank — has part — Gas turbine. Some tanks (T-80, Abrams) have a gas turbine engine.
3. Step 3. Gas turbine — includes — Turbojet engine. A turbojet is a gas turbine that produces thrust with a jet.
4. Step 4. Turbojet engine — uses — Kerosene. Jet fuel is kerosene.
5. Step 5. Kerosene — is used in — Kerosene lamp. The fuel.
6. Step 6. Kerosene lamp — evolved from — Oil lamp. A development of the oil lamp.

Open Evothings