| 21. | It was held aloft by 7 million cubic feet of hydrogen.
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| 22. | When his spouse finds he's given her cubic zirconium.
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| 23. | All told we have approximately 470 trillion cubic meters of helium.
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| 24. | This provides an air volume of 16, 000 cubic feet.
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| 25. | The trunk has just 1.9 cubic feet of space.
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| 26. | About 3.1 million cubic meters were exported to Japan.
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| 27. | 364, 000 cubic meters of illegal wood seized, JAKARTA POST
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| 28. | A unit contains 250 cubic centimeters ( cc ) of blood.
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| 29. | The international standard is 0.33 milligrammes per cubic metre.
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| 30. | The boot, however, is a competitive two cubic feet.
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