The purpose of a preventer as it is used on a conventional yard and stay cargo rig is to（）.

Please stow the drums（）ends.

The patches where rust have been removed should be wiped clean before paint is（）.

The best way to determine if a load is within maximum lift limits is to use（）.

Please choke up the drums to prevent（）.

The remarks are not similar（）those on the Shipping Orders.

The stowage factor for a cargo is based upon（）.

The National Cargo Bureau represents the（）.

The worn-out bags are all second-hand ones（）stated in the Shipping Order.

Vessels transiting the canal must have their accommodation ladders and cargo booms（）.