单项选择题
Which emergency equipment should you keep near the towing bitts? （）
A.A self-contained breathing apparatus (SCBA) B.A boat hook and a spanner wrench C.A fire ax and/or cutting torch D.A Stokes litter basket
单项选择题 Which conditions will normally cause a SART to operate in the active mode?（）
单项选择题 Which channel and mode should be used when initiating a distress alert transmission?（）
单项选择题 Which action(s) should the operator of a pedestal crane take if crane control is lost?（）
