| 31. | Smoke with a suitable composition can be used as a fire suppression agent.
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| 32. | Spectrum Aeronautical will incorporate the PhostrEx fire suppression system into its future aircraft.
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| 33. | Once trees are established, fire suppression is practiced in the area.
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| 34. | The most common use has traditionally been in fire suppression systems.
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| 35. | Pentafluoroethane is also used as a fire suppression agent in fire suppression systems.
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| 36. | -- Fire suppression, which prevents natural small-scale fires from clearing brush and downed timber.
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| 37. | And a century of fire suppression and logging have radically altered the forest fabric.
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| 38. | Now, decades of fire suppression have left forests with hundreds of trees per acre.
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| 39. | This year, however, it is too dry to consider anything but immediate fire suppression.
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| 40. | "But with fire suppression, you don't get many new trees,"
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