单项选择题
Peck and Hale gear is used most commonly for securing（）.
A.automobiles B.baled cargo C.large wooden crates D.palletized cargo
单项选择题 Nylon line is NOT suitable for（）.
单项选择题 Nylon line is better suited than manila for（）.
单项选择题 Mousing a cargo hook with marline or small line（）.
