Sometimes the contract（）that the lump sum freight must be paid in advance and will not be returnable even if the vessel and／or her cargo are lost.

Securing cargo by running timbers from an upper support...

单项选择题Securing cargo by running timbers from an upper support down to the cargo，either vertically or at an angle，is called（）.

Roll-on／roll-off ships are equipped with（）.A.cargo elev...

单项选择题Roll-on／roll-off ships are equipped with（）.

Precautionary measures must be taken to（）safety of the ...

单项选择题Precautionary measures must be taken to（）safety of the stevedores，cargo and the ship.