Engine : Engineering Safety - 323/968
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| If, in a compartment or space, the gas or oxygen content is not within permissible concentration, and dangerous gases are either present, or may be produced by residues, what would be the safety designation listed on a marine chemist's certificate? |
| A) Safe for Men - Safe for Fire |
| B) Safe for Men - Not Safe for Fire |
| C) Not Safe for Men - Safe for Fire |
| D) Not Safe for Men - Not Safe for Fire |
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