A.Isothermal B.Millibars C.Isobars D.Seismics
A.Ocean Passages for the World B.Symbols and Abbreviations used on Admiralty Charts,Chart 5011 C.IALA Maritime Buoyage System D.Catalogue of Admiralty Charts and Publications
A.The higher high waters B.The lower high waters C.The lower of the two daily tides D.All high waters
A.SHM B.Admiralty TotalTide C.Admiralty EasyTide D.Ocean Passages for the World
A.average wind conditions B.tidal currents C.magnetic variation D.average limits of field ice
A.can be absorbed through the skin B.causes irreversible damage to eye tissue C.is a very unstable product D.All of the above
A.two red lights B.one green light C.one white light D.one amber light
A.start the engine in cold weather B.aid in helping personnel breathe C.prime the sprinkler system D.prime the air supply
A.generally shorter than the others and is used to steer with B.is longer than the others and is used as the stroke oar C.is raised in the bow of the boat for the steersman to steer by D.longer than the others used for steering
A.working on the rig floor B.working over water C.working on the pipe racks D.operating line throwing equipment