单项选择题
Generally speaking，the heavier cargo will go into the（），distributing it evenly fore and aft，the lighter cargo will probably be placed in the（）.
A.deep tanks／lower holds B.lower holds／tweendecks C.tweendecks／deep tanks D.deep tanks／tweendecks
单项选择题 Cargo that is suitable for carriage on Ro-Ro vessels includes（）.
单项选择题 Cargo securing for Ro-Ro is based on the concept of（）.
单项选择题 Cargo booms must be weight tested to recertify the Safe Working Load (SWL) every（）.
