Wi-Fi and oil well: what they have in common

1. Step 1. Wi-Fi — is used in — Radio module and antenna. A Wi-Fi module.
2. Step 2. Radio module and antenna — is part of — Space probe. Communication with Earth.
3. Step 3. Space probe — uses — Multistage rocket. Launch.
4. Step 4. Multistage rocket — is made of — Kerosene. The fuel is kerosene.
5. Step 5. Kerosene — is made of — Crude oil. A fraction of crude oil.
6. Step 6. Crude oil — uses — Oil well. Oil is extracted from wells.

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