When a tester finds and submits a defect, he can assign such attributes as "Activity," "Trigger," and "Impact."

IBM Rational manual tester: a manual test authoring and execution tool that promotes test step reuse to reduce the impact of software change on testers and business analysts.

This paper presents the structural features and characteristics of the radial impact tester, torsional fatigue tester, rotary bending tester and radial load tester used for the tests.