Plenum

alakaton ontelo

(space above a false ceiling used for cables, ducts etc.)

alakaton päällä oleva tila

(space above a false ceiling used for cables, ducts etc.)

alakaton yläpuolinen tila

(space above a false ceiling used for cables, ducts etc.)

täysi tila

(a space that is completely filled with matter)

täysistunto

(a legislative meeting (especially of the Communist Party) in which all members are present)

yleiskokous

(a legislative meeting (especially of the Communist Party) in which all members are present)

ylipainetila

(enclosed space having greater than atmospheric pressure)