centimeters of water | pressure

Pressure
abbr. insur.	Hg; m.m.Hg
pressure
abbr.	pres.
abbr. auto.	PRES/Press.
abbr. biol.	pr
abbr. construct.	p.
abbr. mining.	psr
abbr. polym.	p
abbr. silic.	prs.