Corrosion and smartphone: what they have in common

1. Step 1. Corrosion — is used in — Titanium. Titanium resists corrosion thanks to an oxide film.
2. Step 2. Titanium — is material for — Space probe. The tanks are titanium.
3. Step 3. Space probe — has part — Radio module and antenna. Communication with Earth.
4. Step 4. Radio module and antenna — is part of — Smartphone. Connection to the cellular network, Wi-Fi, Bluetooth and satellite navigation.

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