Lead dioxide plates and industrial robot: what they have in common

1. Step 1. Lead dioxide plates — is part of — Lead–acid battery. Positive electrodes.
2. Step 2. Lead–acid battery — is part of — Submarine. Underwater, electric motors run on batteries.
3. Step 3. Submarine — has part — Torpedo. Torpedo armament.
4. Step 4. Torpedo — has part — Gyroscope. Obry’s gyroscope keeps the course.
5. Step 5. Gyroscope — is part of — International Space Station. Control moment gyroscopes.
6. Step 6. International Space Station — has part — Industrial robot. The Canadarm2 robotic arm.

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