Engine_2014 : Engineering Safety - 1666/2355
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| To safely enter a closed compartment, where CO2 has been released from a fixed extinguishing system, you should __________. |
| A) test the air with an Orsat apparatus |
| B) wear a self-contained breathing apparatus |
| C) wear a canister type gas mask |
| D) test the air with an explosimeter |
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