gal = gallon, PSI = pounds per square inch, cc = cubic centimeter, inHg = inches of mercury, Pa = Pascal m.p. = metric prefixes, cu. = cubic, sq. = square, atm = atmosphere. *The unit Pa, for Pascal, is a unit of pressure that is the standard ...
gal = gallon, PSI = pounds per square inch, cc = cubic centimeter, inHg = inches of mercury, Pa = Pascal m.p. = metric prefixes, cu. = cubic, sq. = square, atm = atmosphere. *The unit Pa, for Pascal, is a unit of pressure that is the standard ...