Shipping Mark
Buoys which only mark the left or right side of the channel will never exhibit a light with which characteristic? ()
Which number should replace the question mark?
The additional mark () in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
They all go outing on such a warm spring day()Mark. He is busy with his lessons now.
Which number should replace the question mark?
A survey (special purpose mark) buoy().
The additional mark ()in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is watched by duty personnel.
How is a safe water mark,that can be passed close aboard on either side,painted and lighted?()