The equipment needed for diving is divided into light equipment (fins, mask and snorkel or snorkel) and self-contained (bottle, buoyancy compensator, regulator with gauge and pressure gauge, and ballast). Additionally, the scuba diving equipment usually includes a dive computer a marker buoy, a flashlight, and a small knife, and depending on the temperature and currents, a hat and gloves (snorkeling grace bay beach).
According to different schools and regulations, recreational diving is usually limited to 20-40 meters deep, while professional diving with special mixtures allows access above 100 m depths. Snorkeling or apnea involves breathing a deep breath at the surface. It can be practiced without any special equipment, but the current configuration consists of recreational proper mask, fins, snorkel, weights, and if necessary, a suit of insulating material.
The regulator reduces high pressure of the water surrounding the diver, so that he can breathe normally and independently of cables and air supply tubes from the surface. In 1943 Jacques-Yves Cousteau and Emile Gagnan were the inventors of regulators, which are still currently used in (professional and recreational) scuba diving.
However, current safety standards require a number of tools that let you know how deep you are and what air pressure is left, called depth gauge and pressure gauge, respectively. Dive computers are also becoming popular, depending on depth, mixture of air and the time spent underwater, they indicate at all times the depth range where you can stay.
The snorkel is a fairly flexible plastic tube rod-shaped that allows you to breathe with your face underwater. Divers use in apnea, and is part of mandatory equipment for recreational divers who used to breathe when you are on the surface, thus saving the air from his bottle. There are a variety of snorkels to facilitate expelling water through tube trap waves, which prevent water from entering the open, rigid, flexible end.
But it was not until 1942 that the technology would make a giant leap and definitely allow man to dive independently from the surface. In that year Emile Gagnan (engineer employed at Air Liquide, Paris company specializing in compressed gases) miniaturized one regulator to suit gasifier car engines, as the Germans occupied France and confiscated all gasoline. Henri Melchior, father of Jacques-Yves Cousteau and owner of Air Liquide, thought then that this regulator might be useful to his son Cousteau. Melchior knew that the latter was trying to develop a underwater breathing system to grant full autonomy to the diver.
There are three basic types of isolation suits: wet suits, dry suits and semi-dry suits. The first generally are suits made of sparkling and resistant materials (usually neoprene), which form an insulating layer between the medium and the skin, but not waterproof. Its efficiency depends on the thickness of the foam and the body fit. Wet suits can be short or long, depending on the number of parts are classified into one-piece or two-piece suits.
From this invention many improvements and innovations have been made in both design and quality, but the basic principle remains. Surprisingly, this technology has remained virtually unchanged for over 50 years. Recreational diving is practiced in two forms: free diving or apnea (descent into the deep sea, ie, without traditional diving equipment). Techniques around apnea and scuba air belong to the recreational category.
According to different schools and regulations, recreational diving is usually limited to 20-40 meters deep, while professional diving with special mixtures allows access above 100 m depths. Snorkeling or apnea involves breathing a deep breath at the surface. It can be practiced without any special equipment, but the current configuration consists of recreational proper mask, fins, snorkel, weights, and if necessary, a suit of insulating material.
The regulator reduces high pressure of the water surrounding the diver, so that he can breathe normally and independently of cables and air supply tubes from the surface. In 1943 Jacques-Yves Cousteau and Emile Gagnan were the inventors of regulators, which are still currently used in (professional and recreational) scuba diving.
However, current safety standards require a number of tools that let you know how deep you are and what air pressure is left, called depth gauge and pressure gauge, respectively. Dive computers are also becoming popular, depending on depth, mixture of air and the time spent underwater, they indicate at all times the depth range where you can stay.
The snorkel is a fairly flexible plastic tube rod-shaped that allows you to breathe with your face underwater. Divers use in apnea, and is part of mandatory equipment for recreational divers who used to breathe when you are on the surface, thus saving the air from his bottle. There are a variety of snorkels to facilitate expelling water through tube trap waves, which prevent water from entering the open, rigid, flexible end.
But it was not until 1942 that the technology would make a giant leap and definitely allow man to dive independently from the surface. In that year Emile Gagnan (engineer employed at Air Liquide, Paris company specializing in compressed gases) miniaturized one regulator to suit gasifier car engines, as the Germans occupied France and confiscated all gasoline. Henri Melchior, father of Jacques-Yves Cousteau and owner of Air Liquide, thought then that this regulator might be useful to his son Cousteau. Melchior knew that the latter was trying to develop a underwater breathing system to grant full autonomy to the diver.
There are three basic types of isolation suits: wet suits, dry suits and semi-dry suits. The first generally are suits made of sparkling and resistant materials (usually neoprene), which form an insulating layer between the medium and the skin, but not waterproof. Its efficiency depends on the thickness of the foam and the body fit. Wet suits can be short or long, depending on the number of parts are classified into one-piece or two-piece suits.
From this invention many improvements and innovations have been made in both design and quality, but the basic principle remains. Surprisingly, this technology has remained virtually unchanged for over 50 years. Recreational diving is practiced in two forms: free diving or apnea (descent into the deep sea, ie, without traditional diving equipment). Techniques around apnea and scuba air belong to the recreational category.
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