Email format error
Email cannot be empty
Email already exists
6-20 characters(letters plus numbers only)
The password is inconsistent
Email format error
Email cannot be empty
Email does not exist
6-20 characters(letters plus numbers only)
The password is inconsistent
This test is capable to assessing the waterproof ability of the shoe lining cover.specimen gripped through the pneumatic gripping device immersed into water and filed with air under certain pressure the air bubbles will indicate the failure as long as any leakages occur.