单项选择题 The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of（）.

单项选择题 The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.

单项选择题 The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.