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a boat or ship;

any container except for container ship container; (see this disambiguation page for other meanings of container). Also see for more information.

a tubular structure in anatomy, such as arteries and veins in the circulatory system of animals, or xylem and phloem tubes comprising the vascular tissue of plants;

Pressure vessel, a vessel that is subject to either internal or external pressure. This definition generally includes air receivers, heat exchangers, evaporators, steam type sterilisers and autoclaves;

Vacuum vessel is a pressure vessel where the pressure inside the vessel is lower than the ambient pressure.