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- Master & Mate (Oceans or Near Coastal (Limited Tonnage: Less Than 200 GRT)) »
- Q158 - Navigation and Deck General/Safety
247. Deficient oxygen content inside a chain locker can be detected with which item?
An oxygen indicator is used to measure oxygen content and is the appropriate device for detecting deficient oxygen levels in a chain locker, which is a confined space prone to oxygen depletion.
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