| 21. | It operates in an oxygen-free environment under low positive pressure.
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| 22. | A negative air pressure plenum surrounds all contaminated plenums that are under positive pressure.
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| 23. | This is accomplished by creating positive pressure inside the container.
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| 24. | He also created a series of Positive Pressure Point videos.
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| 25. | The resulting positive pressure meant that the boiler rooms were only accessible through airlocks.
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| 26. | They create an expectation of excellence in the players, and it's a very positive pressure.
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| 27. | In amphibians, the process used is positive pressure ventilation.
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| 28. | It is generally only observed when a person is ventilated with positive pressure or hemorrhage.
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| 29. | "Let's just say we apply positive pressure constantly ."
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| 30. | But there is also the positive pressure, that feeling in your stomach before the race.
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