Description: Character string identifying additional properties that cannot be expressed by structured manufacturer part numbers; Name: Manufacturer Product Order Supplement
Description: By the manufacturer awarded string for the identification of additional attributes, not by a structured manufacturer item number may be expressed; Name: Manufacturer product order suffix
Description: 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