anum (kaasa arvatud selle lisad kuni liitekohani teiste seadmetega), mis võib koosneda rohkem kui ühest kambrist ja mis on ette nähtud sisaldama rõhu all olevat fluidumit
a container for fluids stored under pressure above or below atmosphere. Classified as fired or unfired. Usually cylindrical with dished ends for ease or construction and support, or spherical for very high pressures
vessel - a housing designed and built to contain fluids under pressure including its direct attachments up to the coupling point connecting it to other equipment. A vessel may be composed of more than one chamber.
