A: The fifth problem is that the defect rate is 1%. The products will be tested as follows before shipment:
1. High temperature test
2. Water tightness test
3. Aging test
4. Finished product testing
A: The fifth problem is that the defect rate is 1%. The products will be tested as follows before shipment:
1. High temperature test
2. Water tightness test
3. Aging test
4. Finished product testing