With AWS Certification, you will never worry about losing your competivie edge, since proof of active practice or reexamination is required at the time of renewal or recertification.

• 拥有了美国焊接学会的认证，您将不用担心会失去您竞争优势。因为您需要在一定的时间对您的实际操作进行新认定或重新考试或认证。