How To Use Lighter-than-air In A Sentence
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(Blimps use lighter-than-air gas, not hot air) 10: 16 PM
Elementary!
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One of helium's better-known, but less commercially important, applications is in lighter-than-air craft, such as dirigibles, and in weather and research balloons.
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An airship is any lighter-than-air craft, including blimps, dirigibles and zeppelins.
USATODAY.com - Rare air above the Super Bowl
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