| 41. | At 73, Goodwin has emphysema and he uses an electrical oxygen concentrator to help him breathe.
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| 42. | Katherine Ridgley suffers from lung disease and uses an oxygen concentrator more than 10 hours each day.
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| 43. | One way to compensate for the performance degradation is to utilize a concentrator with more flow capacity.
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| 44. | Also in 1998, the Los Colorados concentrator was expanded to 120, 000 tonnes per day.
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| 45. | In contrast to the power tower concentrator concept that California's original Solar One project uses.
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| 46. | In many cases, the concentrator is co-located in the same building as the switch.
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| 47. | The Falcon Concentrator is a type of A Semi-Batch Model Falcon Gravity Concentrator-->
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| 48. | The Falcon Concentrator is a type of A Semi-Batch Model Falcon Gravity Concentrator-->
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| 49. | The problems in the concentrator also affected the performance of MIM's Mount Isa lead smelter.
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| 50. | The concentrator removes some impurities from the rock, leaving a material that's 30 percent copper.
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