HTML and monitor: what they have in common

1. Step 1. HTML — is used in — World Wide Web. The pages of the web.
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 — Cathode-ray tube. Inside is a vacuum.
5. Step 5. Cathode-ray tube — is part of — Monitor. The first monitors were CRTs.

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