Description: Ability of an object, under given conditions and when required to be in a state, to perform a required function; Name: avbl
Description: Probability that a machine will, when used under specified conditions, operate satisfactorily and effectively; Name: Availability
Description: Ten times the logarithm to the base 10 of the ratio of the square of the sound pressure, p, to the square of a reference value, p0, expressed in decibels; Name: Sound pressure level