Disposable nappy and radar: what they have in common

1. Step 1. Disposable nappy — is made of — Polyethylene. Film.
2. Step 2. Polyethylene — is made of — Crude oil. Made from petroleum products.
3. Step 3. Crude oil — is material for — Kerosene. A fraction of crude oil.
4. Step 4. Kerosene — is used in — Afterburner. It burns extra fuel in the exhaust.
5. Step 5. Afterburner — is part of — Jet fighter. An afterburner.
6. Step 6. Jet fighter — has part — Radar. A radar.

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