单选题An example of class "A" fire is a/an （）.Aelectrical fire in the engine roomBoil fire in the engine room bilgesCoil fire involving a grade A petroleum productDmattress fire in a stateroom
单选题
An example of class "A" fire is a/an （）.
A
electrical fire in the engine room
B
oil fire in the engine room bilges
C
oil fire involving a grade A petroleum product
D
mattress fire in a stateroom
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