Description: Maintainability of an object, determined by engineering design under expected maintenance conditions and logistical support; Name: Inherent maintainability
Description: maintainability of an item determined by the design under expected conditions of maintenance and logistic support; Name: intrinsic maintainability
Description: determined through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound power