Engine : Engineering Safety - 878/968
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| If the empty weight of a B-III semi-portable CO2 fire extinguisher is 35 lbs (15.9 kg), what is its full charged weight? |
| A) 47 lbs (21.3 kg) |
| B) 50 lbs (22.7 kg) |
| C) 55 lbs (24.9 kg) |
| D) 70 lbs (31.7 kg) |
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