Scuba diving is a form of diving where the diver uses a self-contained breathing system which can be used to breathe under water. A diver normally relies on the said item so as to breathe. The gas which they carry is normally compressed . As a result the diver has freedom to move under water as heshe is supplied with enough oxygen.The breath hold divers are unable to last long under the water as man is adapted to living on land and not on water.
Scuba diving can be done recreationally or in a professional.Scuba diving can be applied in the field of scientific research, military and for public safety roles.Scuba divers in the field of military the armed forces can perform in certain activities known as frogmen or attack swimmers who are used to attack an enemy under the water.
Using the fins attached to the feet a scuba diver is able to move under the water.Using an underwater mask a scuba diver is able to improve the vision under the water. In order to protect himselfherself from external environment a Scuba diver uses exposure protection. Equipment which enables buoyancy and also related to the reason for diving is also found with a diver. A snorkel is used by a diver when swimming on the ground. After learning the procedure and skills required the Scuba diver is certified by the instructor. An instructor is certified by and affiliated to the diver certification organization.
In order to start training on Scuba diving one must have the required standard of fitness and also good health. one should also have proper health. The behavior of the diver, the equipment and the environment are some of the factors that affects diving.Underwater environment at times can impose severe physical and also psychological stress on a diver and at times the diver is unable to control it.
The systems should be controllable under water and also enable a diver to operate it. The diver should be offered short term survival by the apparatus. The level of team work and the skills of the diver determines success. sufficient level of communication determines success in any organization. There are risks in which divers are exposed to as they perform in areas which is unsuitable for human body. The divers face great health risk and also physical risks when they go under water or use high pressure breathing the gas.