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Types of Recreational Underwater Diving. Recreational diving or sport diving is a type of diving that uses SCUBA equipment for the purpose of leisure and enjoyment. There are many types of scuba diving and Philippines is blessed to have the great places for almost all of them. Cavern diving â diving within the entrance of a cave, where light is still visible.
Job Duties. Underwater welders work with a variety of equipment types and procedures. A list of duties all welder-divers should be able to perform includes: 1  Underwater cutting. 2  Underwater photography. 3  Drafting. 4  Inspection and non-destructive testing.