单项选择题
When towing，what is the main reason for using a chain bridle on a wire hawser（）.
A.It makes for an easy connection B.It gives a spring effect to cushion the shock C.It eliminates the necessity of a swivel D.It does not chafe
单项选择题 When securing a hook to the end of a wire rope you should use（）.
单项选择题 When riveted joints occur at the ends of plating they are called（）.
单项选择题 When passing a hawser to the dock you would first use what line（）.
