Existing crude oil tankers may，（）being provided with segregated ballast tanks or operating with a cargo tank cleaning procedure using crude oil washing，operate with dedicated clean ballast tanks in accordance with the specified provision of the Regulation.

Each fireman’s outfit and its spare equipment on a tanker must be stowed in a(n)（）.

Every existing product carriers of 40000 tons deadweight and above shall be provided with segregated ballast tanks and shall comply with the specified requirements，or，alternatively，operate with（）in accordance with the convention.

Each fire pump on a tanker must have a pressure gauge located at（）.

Every new crude oil tanker of 20000 tons deadweight and above and every new product carrier of 30000 tons deadweight and above shall be（）with segregated ballast tanks.

Every new crude oil tanker of 20000 tons deadweight and above shall be fitted with a cargo tank cleaning system using（）.

In setting the valves on a steam-smothering system on a tanker，the master control valve to cargo tanks should be（）.

ACCIDENTAL ESCAPE OF OIL OUT OF A TANK WHEN IT GETS TOO FULL BECAUSE PUMPING WAS NOT STOPPED IN TIME defines（）.

Of the following，the most important consideration for a tanker is（）.

On the all-purpose nozzle，the position of the valve when the handle is all the way forward is（）.