When hoisting personnel from a vessel，with the ship cranes，the crane operator must assure that ()

I would be very much ()if you could arrange for a radio technician to come on board as soon as possible for my radar repair.

The temperature at which the air is saturated with water vapor and below which condensation of water vapor will occur is referred to as the ().

Which is the summer load waterline on the load waterline mark ().

Generally，when lifting an inflatable liferaft back aboard ship，you would use the ()

When considering a vessel's stability，which spaces in a general cargo vessel are the best locations for the carriage of bulk grain ().

During which condition should the operator of a pedestal crane shutdown operations ().

Injuries resulting in loss of life or incapacitation，aboard vessels，must be reported to the ().

When hoisting personnel from a vessel，with the ship cranes，the crane operator must assure that ()

The type of current which will have the greatest effect on the course made good for your vessel is ____.

When using the marine radiotelephone，what frequency is not commonly used for transmission of distress signals ().