"Diver certification" refers to a recognized qualification or proof that a person has completed a training course to become a certified or licensed scuba diver. Full definition
If you're up for it, your instructor might even show you some of the skills from the open water diver certification course and the secret hand shake. (aquasubscuba.com)
For many, earning a PADI Rescue Diver certification is the start of a career in diving. (ubdiving.com)
And this Adventure Diver certification only takes 1 day — perfect for getting more dive experience and a new certification card if you are very short on time! (sunrise-divers.com)