| 31. | One powered tramcar had to be rebuilt as an unpowered trailer-tramcar.
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| 32. | The unpowered craft is much smaller than the U . S . space shuttle.
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| 33. | An unpowered model has now survived simulated firings.
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| 34. | Weather and geography have created an ideal location for unpowered flight, experts say.
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| 35. | The most numerous unpowered aircraft are paper aeroplanes, a handmade type of glider.
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| 36. | These machines include aircraft such as airplanes, Gliders are capable of unpowered flight.
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| 37. | Several more unpowered flights took place that month.
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| 38. | All coaches in the set are powered ( there are no unpowered trailers ).
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| 39. | The Kitmaster company produced an unpowered polystyrene injection moulded model kit for 00 gauge.
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| 40. | Those on unpowered lines also do not flip.
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