A.kept on board no more than 2 years B.inspected and serviced every 6 months C.destroyed if more than 5 years old D.maintained in good and serviceable condition
A.All watertight doors which are in use while the vessel is underway shall be operated B.All lifeboat equipment shall be examined C.Fire pumps shall be started and all exterior outlets opened D.All of the above
A.a threaded bolt B.a round pin，with a cotter pin C.a threaded bolt，locknuts，and cotter pins D.round pins and locknuts
A.bumpkin oar B.stroke oar C.sweep oar D.becket oar
A.pull it out with pliers B.cut the skin from around the hook C.push the barb through，cut it off，then remove the hook D.have a surgeon remove it
