A.cargo pump pressure gauges B.crossover lines interconnecting two pumps C.suction side of pumps D.atmosphere through pump vents
A.a not knowing B.an unknowing C.an unknown D.a not known
A.sand B.soft soil C.stiff clay D.heterogeneous soil
A.pump out B.to pump out C.pumping out D.be pumped out
A.crow bar B.device to force a water tight door against the frame C.heavy steel beam D.wedge
A.afford access to the shell through the double bottoms B.collect water to be pumped out C.provide access for the pneumercator D.provide a base line for sounding measurements
A.shape of the anchor B.stowage of the anchor on board C.anchor's ability to dig in D.size of the vessel and its draft
A.Restricted area B.Closed area C.Prohibited place D.Forbidden place
A.control the pressure of the oxygen as it enters the body B.allow the wearer to manually give himself oxygen C.release excess heat which would otherwise cause the bottle to explode D.allow exhaled gases to pass outside the bottle
A.radial B.sheath-screw C.gravity D.quadrantal
