Engine_2014 : Engineering Safety - 2318/2355
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| You are wearing a self-contained breathing apparatus while fighting a fire in an enclosed space. If sudden strong resistance to breathing is experienced, your first action should be to __________ . |
| A) tug twice on your lifeline and slow your breathing until help arrives |
| B) retreat immediately to outside air |
| C) take a deep breath and remove your apparatus for adjustment |
| D) give two or three strong exhalations to increase the flow through the apparatus |
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