The instrument used to measure the pressure of the air is called a barometer.
(The instrument; to measure; the pressure of the air is called a barometer) Context(The instrument to measure,List([0, 30))):(the pressure of the air; is called; a barometer)
The instrument to measure,List([0, 30))
The instrument the pressure of the air
to measure is called
the pressure of the air is called a barometer
a barometer