Before revision: A prediction of reliability is an important element in the process of selecting equipment for use by telecommunications service providers and other buyers of electronic equipment .
After revision: A prediction of reliability is an important element in the process of selecting equip me not, and it is essential during the design stage of engineering systems life cycle <ref>EPSMA, “Guidelines to Understanding Reliability Predictions”, EPSMA, 2005<ref> for use by telecommunications service providers and other buyers of electronic equipment .