單項選擇題Manila lines in which the strands are right-hand laid().

A.should be coiled in a clockwise direction
B.should be coiled in a counterclockwise direction
C.may be coiled either clockwise or counterclockwise
D.should never be coiled


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1.單項選擇題Mariners are warned that fog signals should()be relied upon implicity.

A.always
B.never
C.sonetimes
D.sometime

2.單項選擇題Molded depth is measured from the().

A.inside of the shell
B.outside of the shell
C.top of the center vertical keel
D.top of the garboard stake