When discharging bilge water, which criteria must be observed?()
While _______ an efficiency test on an engine, certain precautions should be observed.
While _______ an efficiency test on an engine, certain precautions should be observed.
Which is NOT a safety precaution to be observed during the loading of LFG?()
Dwarfism is one frequent trend observed in many island species.
It should be observed()the master is not bound to show both the number of packages and the weight.
A body can only be observed at lower transit when().