HDMI and r-7 rocket: what they have in common

1. Step 1. HDMI — is used in — Monitor. Connection.
2. Step 2. Monitor — has part — Cathode-ray tube. The first monitors were CRTs.
3. Step 3. Cathode-ray tube — is part of — Television set. A picture tube.
4. Step 4. Television set — has part — Antenna. An antenna.
5. Step 5. Antenna — is part of — Sputnik 1. Four whip antennas.
6. Step 6. Sputnik 1 — uses — R-7 rocket. Launched by an R-7 rocket.

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