1. A quality assurance system, comprising: a plurality of quality assurance stations, each for examining at least one physical product, and for producing from each physical product examination, a result thereof expressed by at least one plain text in a computer, being local to the quality assurance station thereof; an application installed in each of said local computers, for converting said plain texts to plain texts having a unified format; and an analyzing computer, for receiving said converted plain texts from said local computers, thereby said unified format accompanies said analyzing computer in analyzing said converted plain texts from distributed assurance stations.