Spark plug and davy lamp: what they have in common

1. Step 1. Spark plug — is made of — Nickel. The electrodes are a nickel alloy.
2. Step 2. Nickel — is material for — Afterburner. The chamber is made of nickel superalloys.
3. Step 3. Afterburner — uses — Kerosene. It burns extra fuel in the exhaust.
4. Step 4. Kerosene — is used in — Kerosene lamp. The fuel.
5. Step 5. Kerosene lamp — has part — Wick. A wick.
6. Step 6. Wick — is part of — Davy lamp. A wick.

Open Evothings