Scuba Diver Key Ring

A black and white sketch of a scuba diver swimming underwater. Scuba or Self Contained Breathing Apparatus, is equipment that lets underwater swimmers go further underwater and stay longer. Scuba divers carry tanks of compressed air or a gas mixture which they breathe through a mouthpiece connected to a regulator and hoses to the tank. Scuba diving is a fun sport or hobby and may be done professionally including in the military.