Video decoder chip and vacuum pump: what they have in common

1. Step 1. Video decoder chip — is part of — Set-top box. It decodes compressed video.
2. Step 2. Set-top box — uses — HDMI. A TV output.
3. Step 3. HDMI — is used in — Monitor. Connection.
4. Step 4. Monitor — has part — Cathode-ray tube. The first monitors were CRTs.
5. Step 5. Cathode-ray tube — uses — Vacuum. Inside is a vacuum.
6. Step 6. Vacuum — is used in — Vacuum pump. The pump creates a vacuum.

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