Listen to the sound clip The 3 Diamonds on the Pittsburgh Steelers logo are Red, Yellow, and Blue. Red represents Iron Ore, Yellow represents Coal, and Blue represents Steal Scrap. And that's why Pittsburgh is called Steel City, Hence the name. from David Attenborough (Public Figure) HiFi TTS Computer AI Voice:
The 3 Diamonds on the Pittsburgh Steelers logo are Red, Yellow, and Blue. Red represents Iron Ore, Yellow represents Coal, and Blue represents Steal Scrap. And that's why Pittsburgh is called Steel City, Hence the name.
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