Engine_2014 : Engineering Safety - 1741/2355
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| What operational limitation should the user of a self- contained breathing apparatus be concerned with when using the device? |
| A) The weight of the unit changes the user's center of gravity. |
| B) The lens of the facepiece reduces the user's peripheral vision. |
| C) The attached lifeline limits the user's mobility. |
| D) All of the above are correct. |
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