To monitor the performance of the new owners parts Through the Impulse test.It does not cause damage to the work piece, and there are no leaks.So when compared with the original parts, so there's no dress different.
To determine the effectiveness of the new parts will be tested. Impulse does not cause damage to the workpiece and no leakage so when compared with the quality of the original parts, so it's no different.
To check the performance of the new parts by pass Impulse.Do not cause damage to the target and no leakage.Therefore, compared the quality with original pieces, so no difference.