单项选择题
Uncoiling manila line improperly can result in a(n)（）.
A.number of fishhooks B.kink in the line C.50% loss of efficiency of the line D.increase in deterioration of the line
单项选择题 Two mooring lines may be placed on the same bollard and either one cast off first if（）.
单项选择题 Tugs sometimes shackle a length of chain in the towline in order to（）.
单项选择题 Towlines should be inspected for chafing where the towline（）.
