A professional who performs various underwater jobs, wearing diving gear, such as self-contained underwater breathing apparatus, mask, flippers, and insulated suit. Respnsibilities include:

• Swims from boat, dock, or shore to job site.
• Dives to locate or recover submerged automobiles, boats, logs, and articles, such as purses, keys, and other valuables.
• Swims to bottom and fastens lines or chains around heavy objects and attaches to lowered hook.
• Picks up lightweight objects and carries to surface.
• May search for bodies.
• May fish for abalone, crab, or sponge.
• May use safety line, and communicate with tender by jerking on line.
• May repair underwater installations.
• May engage in fire fighting activities.