Every oil tanker operating with dedicated clean ballast tanks shall be（）with a Dedicated Clean Ballast Tank Operation Manual detailing the system and specifying operational procedures.

Litmus paste is used in order to determine（）.

On a vessel carrying grades A，B，C or D cargoes，enclosed spaces where sources of vapor ignition are normally present shall NOT be segregated from cargo tanks by（）.

Protective clothing must be worn while sampling hazardous cargo on a tanker，and as a minimum includes（）.

Pump out No.2 port ballast tank to（）.

For the purpose of（）tank or hold washings from any vessel，an application shall be made to Harbor Authorities for approval.

Functions aboard a tanker or tank barge such as connecting，disconnecting，and topping off must be supervised by（）.

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

In which case is the IOPP Certificate of an inspected vessel NOT invalidated? （）

Gasoline fuel tank vents should terminate（）.