One hurdle for commercialization of TWRs is the development of materials that can withstand nuclear reactions for such long periods of time, the paper said.
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The controltower, while not exactly an Imperial monument, proved most interesting.
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IT'S RUSH hour in the air traffic controltower at Dublin Airport.
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When they got there, the central controltower didn't look any nearer.
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That is what we have learned from the controltower in Brazzaville.
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The outage did not affect power to the air-traffic controltower, Parsons said.
Ús de airport control tower en anglès
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We are passing agricultural land with the airportcontroltower always on the horizon.
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The quake knocked out the Port-au-Prince airportcontroltower.
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Antunes, 46, swapped the airportcontroltower for the stadium dugout just over two years ago.
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At least one flight had to turn back because it lost communication with the airportcontroltower.
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A French magistrate yesterday disclosed details of the takeoff conversation between the Concorde pilot and the airportcontroltower.
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Slideshow (4 images) Erdogan landed after loyalist forces took back the airportcontroltower and secured the runway.
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In California, the Nasa Ames Research Center allows controllers to practice their skills in a 360-degree simulation of an airportcontroltower.
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Government spokesman Ahmed Lamine said that 90% of the planes stationed at the airport had been destroyed, and the airportcontroltower was hit.
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They say the Nausori AirportControlTower received three reports on Monday night.