My wife and I like to go scuba diving underwater. We each use separate breathing devices.
Oh that sounds so exciting, I have never been scuba diving before? What kind of breathing devices do you use?
Scuba diving
Scuba diving is a mode of underwater diving where the diver uses a self-contained underwater breathing apparatus (scuba), which is completely independent of surface supply, to breathe underwater. Scuba divers carry their own source of breathing gas, usually compressed air, allowing them greater independence and freedom of movement than surface-supplied divers, and longer underwater endurance than breath-hold divers. Although the use of compressed air is common, a new mixture called enriched air (Nitrox) has been gaining popularity due to
not involve the use of external breathing devices, but relies on a diver's ability to hold his or her breath until resurfacing. Free diving is limited in depth and time, but for some purposes it may be suitable.
Selection of techniques and mode of diving Scuba diving.
Diving with a self-contained underwater breathing apparatus, which is completely independent of surface supply, provides the diver with the advantages of mobility and horizontal range far beyond what is possible when supplied from the surface by the umbilical hoses of surface-