Aneroid ("without liquid") barometers consist of partially evacuated metal chambers that compress as air pressure increases and expand as pressure decreases.
(Aneroid ("without liquid") barometers; consist; of partially evacuated metal chambers) (partially evacuated metal chambers; compress; as air pressure increases) (partially evacuated metal chambers; expand; T:as pressure decreases) (pressure; decreases; )
Aneroid ("without liquid") barometers partially evacuated metal chambers partially evacuated metal chambers pressure
consist compress expand decreases
of partially evacuated metal chambers
as air pressure increases
T:as pressure decreases