If your asphalt barge has operated more than 12 months in saltwater in the 24 month period since it was last dry-docked，when is it required to be hauled out again? （）

If dangerous goods have been thrown overboard by the Shipowner or the master，（）can be made liable for their loss.

The air cylinder bottles in the survival craft should be refilled with（）.

If the meter needle of the oxygen indicator cannot be set to zero，what should be done? （）

Many dangerous cargoes are stowed on deck because of the（）.

Raw lacquer is（）corrosive nature．

Cargoes which（）an explosive，inflammable，poisonous and corrosive nature are called dangerous goods.

Sulfuric acid is a（）.

The nozzle of a gasoline hose or can should be kept（）.

Vessels carrying（）must not willfully wash decks or holds.