| 31. | Interestingly, negative pressure exists in dark energy too.
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| 32. | Squeeze is produced on descent when trapped air in the sinuses contracts and produces negative pressure.
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| 33. | Discs are repositioned by the applied negative pressure.
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| 34. | This negative pressure causes backdrafting ( the movement of exhaust gases back into the house ).
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| 35. | The goal of this campaign was to help teens stand up to negative pressures, and influences.
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| 36. | The device has been compared to an iron lung, but it did not utilize negative pressure.
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| 37. | He spent eight months in a negative pressure ventilator ( an " iron lung " ).
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| 38. | It's a firefighting trick called negative pressure ventilation.
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| 39. | You could just feel the negative pressure.
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| 40. | During this time, Gemar spent four hours in the Lower Body Negative Pressure Device ( LBNP ).
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