Engine_2014 : Engineering Safety - 681/2355
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| Flame screens must be maintained in good condition and fitted in the opening they protect in order to __________ . |
| A) prevent flammable vapors from entering the tank |
| B) allow the escape of flammable vapors |
| C) contain flammable vapors within the tank |
| D) allow dissipation of heat from any flame |
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