| 1. | During the war, the British operated over 200 nonrigid airships.
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| 2. | Another is the plastic, nonrigid French or whistle tip catheter.
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| 3. | Subsequent airships for Navy use were of a nonrigid design.
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| 4. | The Soviet Union had several semirigid and nonrigid airships.
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| 5. | The second category of transformations allow'elastic'or'nonrigid'transformations.
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| 6. | Unlike the rigid design, the nonrigid airship's gas envelope has no compartments.
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| 7. | A second and similar approach to the symmetry of nonrigid molecules is due to Altmann.
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| 8. | With larger volume and increased passenger capacity, it is the largest manned nonrigid airship in China at present.
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| 9. | While this was a severe blow to the Soviet airship program, they continued to operate nonrigid airships until 1950.
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| 10. | For comparison, today's nonrigid airships, such as the familiar Goodyear blimp, average about 200 feet in length.
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