Crude oil and smart meter: what they have in common

1. Step 1. Crude oil — is material for — Kerosene. A fraction of crude oil.
2. Step 2. Kerosene — is material for — Multistage rocket. The fuel is kerosene.
3. Step 3. Multistage rocket — is used in — Space probe. Launch.
4. Step 4. Space probe — has part — Radio module and antenna. Communication with Earth.
5. Step 5. Radio module and antenna — is part of — Smart meter. Data transmission.

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