单选题Explosive and flammable gasses are most likely to be encountered on a vessel（）.Aat any locationBon the drill floor and liquid mud handling areasCin bulk storage tanksDin machinery spaces
单选题
Explosive and flammable gasses are most likely to be encountered on a vessel（）.
A
at any location
B
on the drill floor and liquid mud handling areas
C
in bulk storage tanks
D
in machinery spaces
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