单项选择题
A.kept in nonmetal containers B.discarded as soon as possible C.cleaned thoroughly for reuse D.kept in the paint locker
A.using a 2-1/2 inch hose B.there is an outlet for the smoke and heat C.the fire is totally contained by the ship's structure D.at least two fog streams can be used
A.fire hose might be damaged by cargo operations B.vessel is in port C.fire-main system is not charged D.fire pumps are used for purposes other than supplying water to the fire main