How should you signal the crane operator to hoist（）.

The item（）is not the advantage of the hydraulic winch．

Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.

Sudden starts or stops of the boom is likely to cause all of the following except（）.

On no account（）to be exceeded.

When using slings，cargo handlers should take all the following precautions except（）.

Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.

Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.

When viewed from above，the best position for the guy in relation to the boom is（）.

When discharging an oil cargo，the first consideration is to（）.