Sea vessels that do not operate on regular times and routes are? By: Sunday|Published on: Dec 25|Categories: Commerce WAEC| 0 comments A. tramps B. ocean liners C. container ships D. ferries Correct Answer: Option B – ocean liners Users Also Read These:The surface of an alveolus in a mammal is well…Through which of the following sea routes is…The world's busiest shipping routes are on the?Which of the following blood vessels have valves?Settlements that develop along communication routes…SEE ALSO Centralized buying and decentralized selling are features of?