A.Position all personnel at the stern and rock the vessel upright
B.Position all personnel around the mast and lift the vessel upright
C.Lock the centerboard in the down position，stand on the centerboard，and pull on a shroud or a halyard
D.Put the centerboard in the up position and have all personnel haul in on the line attached to the mast

A.By serving
B.By splicing one end of the line around the apparatus
C.Securely attached around the outside in bights no longer than three feet
D.With an approved safety hook or shackle

A.arrange it on deck in long bights
B.coil it down on deck
C.put a whipping on it
D.stow it below

A.left in the sunlight
B.stowed wet
C.folded frequently
D.washed with soap and water

A.have equal legs of sufficient length
B.have a large angle between the legs
C.be formed on a bight of cable through a ring
D.never be made up of chain