A.list B.heel C.trim D.flotation
A.rolling B.pitching C.heaving D.swaying
A.shall noe be discharged B.shall be discharged C.shall be filled D.shall noe be filled
A.who have performed work for 14 hours B.who have performed work in a scheduled rest period C.who have performed work in a scheduled work period D.who works hard
A.timber or steel rails B.locomotives or boilers C.railway passenger coaches D.motor vehicles
