| 21. | And full-time four-wheel-drive adds a safety margin to everyday driving, especially on wet pavement.
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| 22. | This safety margin depends on the accuracy of the odometry system in the train.
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| 23. | In that way, the safety margin is even larger than.
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| 24. | Meanwhile, the space shuttles have flown intermittently, raising concerns that safety margins are eroding.
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| 25. | They have wisely opted for a prolonged protest, yet staying within the safety margin.
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| 26. | As a result, safety margins for radioactive materials inside the Windscale reactor were eroded.
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| 27. | These include considerations for safety margins during landing and takeoff.
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| 28. | Safety margins at the time were also far below anything that would be acceptable today.
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| 29. | Ford officials acknowledged in September that this meant a safety margin of only 7 mph.
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| 30. | It is, therefore, prudent to have a safety margin.
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