| 21. | Paradatz surfed trouble free throughout the week at Huntington.
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| 22. | But NASA decided to waive the guideline because past Progress operations have been largely trouble free.
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| 23. | Surviving lawns will not be trouble free, however.
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| 24. | Sharing with Newton and Andy Wallace the Erdos finished 8th overall after an almost trouble free run.
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| 25. | The 41-member EU mission, which sent teams to 60 constituencies, said the polls were not trouble free.
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| 26. | The Hubble has never been trouble free.
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| 27. | Yamaha Bravo was an extremely reliable sled and could go 20, 000 or more km trouble free.
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| 28. | Despite crowds of up to 23, 000 people, it has been a trouble free and casual event.
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| 29. | The process is hardly trouble free.
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| 30. | The car proceeded on at the predetermined conservative lap time and for the next stint remained trouble free.
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