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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q534 - Engineering Safety & Environmental Protection
126. Which of the devices listed would be safe to use in a compartment with insufficient oxygen?
A self-contained breathing apparatus is the only device that provides an independent air supply, making it safe for use in an oxygen-deficient environment; air-purifying devices and a wet handkerchief do not supply oxygen, and are therefore unsuitable.
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