Tanker and solar panel: what they have in common

1. Step 1. Tanker — uses — Crude oil. It carries oil.
2. Step 2. Crude oil — is material for — Nylon. The raw material is petrochemical.
3. Step 3. Nylon — evolved into — Kevlar. Aramids are relatives of polyamides.
4. Step 4. Kevlar — is material for — International Space Station. The micrometeoroid shielding is Kevlar and Nextel.
5. Step 5. International Space Station — has part — Solar panel. Solar panels.

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