Amphitheatre and monitor: what they have in common

1. Step 1. Amphitheatre — works like — Stadium. The Greek stadium is older than the Roman amphitheatre; modern stadiums combine both layouts.
2. Step 2. Stadium — has part — Street light. Floodlights.
3. Step 3. Street light — has part — LED. LEDs.
4. Step 4. LED — is part of — Liquid-crystal display. LED backlighting.
5. Step 5. Liquid-crystal display — is part of — Monitor. Then LCDs.

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