Chopsticks and oil well: what they have in common

1. Step 1. Chopsticks — works like — Fork. Different solutions to the same problem.
2. Step 2. Fork — has part — Handle. A handle.
3. Step 3. Handle — is part of — Toothbrush. A plastic handle.
4. Step 4. Toothbrush — is made of — Nylon. Nylon bristles (1938).
5. Step 5. Nylon — is made of — Crude oil. The raw material is petrochemical.
6. Step 6. Crude oil — uses — Oil well. Oil is extracted from wells.

Open Evothings