How To Use Air gas In A Sentence

• (Blimps use lighter-than-air gas, not hot air) 10: 16 PM Elementary!
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• The absorb experiment by acetone - air gas and water can realize the requirement of engineering exercises.
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• There is no heaven and earth the most beautiful flowers, nor the most elegant greeting cards, buried with the blessing it is only through the air gas mixture to convey to you.
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