| 41. | Mulching vacs are essentially power blowers with impellers ( blades ) that can chew up debris.
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| 42. | It also has the strongest impeller among robotic vacuum cleaners, pulling in 35CFM of air.
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| 43. | The coolant was expanded through the upper impeller where it lost pressure, boiled and cooled.
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| 44. | To work efficiently, there must be a close fit between the impeller and the housing.
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| 45. | An impeller in the tunnel can create thrust in either direction which makes the ship turn.
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| 46. | The 14-blade impeller and 19-blade compressor were both made of milled aluminum.
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| 47. | The rank badge for chief fire officers is an impeller between two ferns below two impellers.
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| 48. | The rank badge for chief fire officers is an impeller between two ferns below two impellers.
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| 49. | Bombardier Formula Jet Pump, with a stainless steel impeller pitched at 16 / 24 degrees.
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| 50. | Through processes such as cavitation, this is very bad for the impeller in the pump.
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