Cinématographe and GPS (satellite navigation): what they have in common

1. Step 1. Cinématographe — has part — Lens. A lens.
2. Step 2. Lens — is part of — Smartphone camera. A lens of several elements focuses the image.
3. Step 3. Smartphone camera — is part of — Self-driving car. Cameras.
4. Step 4. Self-driving car — has part — GPS (satellite navigation). Satellite navigation.

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