| 21. | "' Roller Derby Bordeaux "'is a women's flat track roller derby league based in Bordeaux in France.
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| 22. | Bossier City and Shreveport share an all-women's flat track roller derby team named the Twin City Knockers.
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| 23. | The "'Nantes Derby Girls "'are a women's flat track roller derby league based in Nantes in France.
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| 24. | The ride the same ride experience and layout, except reversed, to Legoland's Technic Test Track roller coaster.
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| 25. | My entry is on Houston Roller Derby, an amateur flat track roller derby league in Houston, Texas.
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| 26. | Every two hours while the bulldozer was travelling, a halt for greasing the track rollers was required.
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| 27. | "' Roller Derby Team New Zealand "'is the New Zealand national representative women's flat track roller derby team.
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| 28. | The "'Denali Destroyer Dolls "'( DDD ) is a flat track roller derby league based in Wasilla, Alaska.
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| 29. | In 2011, The Salt City Derby Girls changed their focus and became a Banked Track Roller Derby League.
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| 30. | "' St . Pauli Roller Derby "'is a flat track roller derby league based in Hamburg in Germany.
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