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.
It is the element that allows you to see underwater avoiding direct contact with salt water or chlorinated eyes. The human eye is not ready to see into the water, this is because the refractive index of light is not the same in eye-water surfaces. This alters the focus of a blurred image with the mask a layer of air between your eyes and the water gets, facilitating vision. The mask is made of a rubber skirt, latex or silicone that conforms to the face to create a seal, a flat glass, tempered glass and an adjustable strap to hold the mask to the diver's head.
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.
Recreational diving is a safe activity, but has specific risks that require knowledge and responsibility from its practitioners. Proper preparation, familiarity with the equipment used, knowledge and application of security measures, a minimum of technical and physiological knowledge, and respect for aquatic organisms are the minimum requirements to successfully perform these activities. There are different specialties in the commercial, military and recreational area, such as underwater photography, deep diving, wreck diving, cave diving, night diving, underwater archeology, biological research, ship maintenance, spear fishing, or rescue and recovery, or for fun, among others. The practice of some of these specialties requires previous training courses.
The physiological characteristics of snorkeling follow strict rules and respect for safety limits make it safe (particularly scuba diving) but requires specific training. Each country is responsible for the regulation and control of this type of recreational activity, and usually there are rules and regulations. And in certain cases, a minimum experience is required, which is usually set demanding a certain number of previous dives. The number of immersions required usually ranges between 15 and 50, depending on the difficulty of dive site.
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.
The International Code of Signals provides that the alpha (A) flag on a stationary boat means submerged diver, keep your distance. The red flag with white diagonal is used internationally as identification of recreational diving, but is not valid as a warning to shipping because it is not part of International Code of Signals IMO (International Maritime Organization).
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.
It is the element that allows you to see underwater avoiding direct contact with salt water or chlorinated eyes. The human eye is not ready to see into the water, this is because the refractive index of light is not the same in eye-water surfaces. This alters the focus of a blurred image with the mask a layer of air between your eyes and the water gets, facilitating vision. The mask is made of a rubber skirt, latex or silicone that conforms to the face to create a seal, a flat glass, tempered glass and an adjustable strap to hold the mask to the diver's head.
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.
Recreational diving is a safe activity, but has specific risks that require knowledge and responsibility from its practitioners. Proper preparation, familiarity with the equipment used, knowledge and application of security measures, a minimum of technical and physiological knowledge, and respect for aquatic organisms are the minimum requirements to successfully perform these activities. There are different specialties in the commercial, military and recreational area, such as underwater photography, deep diving, wreck diving, cave diving, night diving, underwater archeology, biological research, ship maintenance, spear fishing, or rescue and recovery, or for fun, among others. The practice of some of these specialties requires previous training courses.
The physiological characteristics of snorkeling follow strict rules and respect for safety limits make it safe (particularly scuba diving) but requires specific training. Each country is responsible for the regulation and control of this type of recreational activity, and usually there are rules and regulations. And in certain cases, a minimum experience is required, which is usually set demanding a certain number of previous dives. The number of immersions required usually ranges between 15 and 50, depending on the difficulty of dive site.
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.
The International Code of Signals provides that the alpha (A) flag on a stationary boat means submerged diver, keep your distance. The red flag with white diagonal is used internationally as identification of recreational diving, but is not valid as a warning to shipping because it is not part of International Code of Signals IMO (International Maritime Organization).
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