reliability assurance
5.The outcomes that emerge from these reliability measures feed back into examiner retraining and continually build on quality management and assurance systems for IELTS.
6.The development of aerospace depends chiefly on advanced material and technology. The appearance of new composite material is the fundamental assurance of high performance,high reliability and low cost for aerospace industry.
7.Assurance services is a new activity which was developed by the industry of CPAs of the developed countries in the end of twenty century. Its main contents include risk assessment, business performance measurement, information systems reliability, electronic commerce, health care performance measurement and elder care etc.

