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

The Captain ordered the dangerous cargo on deck（）to lighten the ship and minimize the risk at sea.

Corrosive liquids and acids should have what kind of label? （）

Cottonseed oil is classed as a（）.

The shipper must（）in a suitable manner dangerous goods as dangerous.

Certain dangerous goods are required “to be stowed in a mechanically ventilated space”. When such goods are carried in a closed Ro/Ro cargo space or a special category space，this space should（）.

Goods may be dangerous not merely by reason of the fact that they may endanger the safety of the vessel，but also because they are liable to cause the vessel to be（）.

Sulfuric acid is a（）.

Sometimes charter-party expressly prohibit the loading of dangerous goods，but sometimes a Charterer is entitled by an express term to load them provided that due notice is given （）.

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