Container vessels are meant to carry fully laden container cargo and are engaged on a fast liner service between specific ports. The carrying capacity of container vessels is referred to in terms of the number of TEUs (20- foot equivalent units up to 20 tons) or FEUs (40 foot equivalent units, i.e. 40 tons capacity).
Constraints of space compel this writer from going into more details on marine hulls and Protection & Indemnity Clubs.