Where shall the key to C02 room be kept?()
C02 extinguishes a fire by().
Fixed C02 systems would not be used on crew’s quarters or().
In order to discharge a C02 portable fire extinguisher , the operator must first().
C02,和SS02所含的()一样多。
Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?().
Before using a fixed C02 system to fight an engine room fire,you must().
0n a vessel ,a C02 extinguisher is checked by().
A C02 portable extinguisher is annually checked by().
The C02 flooding system is actuated by a sequence of steps which are().