(4) To be able to stop the test, if this should be desirable, prior to total failure or after initial failure has been anticipated as a result of the observations. (5) To assure uniformity in test performance and consistency in test results.
(4) To be able to stop the test, if this should be desirable, prior to total failure or after initial failure has been anticipated as a result of the observations.(5) To assure uniformity in test performance and consistency in test results.