A.make underwater repairs to barges B.determine if the air in a tank is safe for men C.enter areas that may contain dangerous fumes or lack oxygen D.resuscitate an unconscious person
A.make the trip only after obtaining a Permit to Proceed to Another Port for Repair,F(xiàn)orm CG-948 B.get underway as soon as possible C.hire a tug and pilot instead D.request an Expiration Certificate if the vessel displays a tendency to sink
A.Illumination by flood lights B.A quick flashing red light at each lower corner C.A strobe light visible both up and downstream D.Fixed amber lights under the extreme outer edges of the traveller