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A.A prohibition from loading a cargo from a country when the cargo may be a carrier of infectious diseases
B.Arrest of a vessel by legal authorities to satisfy claims through exercise of a maritime lien
C.Damage caused by riot of the population of a port
D.Losses caused by fines from polluting the harbor after malfunction of a piping system

A.They are self-priming
B.Decreasing the speed of rotation will decrease the discharge pressure
C.Opening the discharge valve wider will increase the discharge pressure
D.All of the above