| 摘要 |
A portable apparatus cleans a passage such as an oxygen line by circulating a cleaning medium, such as a silicated alkaline cleaner such as OCC, through the passage. A rinse medium, such as distilled water, may than be circulated through the passage. The cleaning medium and the rinse medium may be filtered, and a flush medium is preferably circulated through the passage after the circulation of the cleaning medium and before the circulation of the rinse medium.
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