Web browser and bellows: what they have in common

1. Step 1. Web browser — uses — World Wide Web. It displays web pages.
2. Step 2. World Wide Web — was inspired by — Particle accelerator. The web was invented at CERN for sharing physicists’ data.
3. Step 3. Particle accelerator — uses — Vacuum. A vacuum chamber.
4. Step 4. Vacuum — is used in — Vacuum pump. The pump creates a vacuum.
5. Step 5. Vacuum pump — has part — Check valve. Valves stop air from flowing back.
6. Step 6. Check valve — is part of — Bellows. An air intake valve.

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