| Using mixture of gases, divers explore at greater | | | | newbie because it involves a lot of training and |
| depths and for much longer time. The popularity of | | | | careful gear preparation. So despite its popularity it |
| rebreather diving (technology where exhaled breath | | | | remains a specialized realm for experienced divers. |
| is recycled, not expelled) is increasing. | | | | CCR stands for closed-circuit rebreather equipment |
| Technical divers try to extend their time under the | | | | that recycles one's breath and dumps gas only during |
| water, either by going to more depth than usual with | | | | the ascent. Scrubbling unit has a chemical that |
| normal air, or by exploring marine life for longer | | | | absorbs carbon dioxide from exhaled gas, at the |
| periods of time. Technical diving is no more an elite | | | | same time a mixture of air and pure oxygen is |
| sport that usual man cannot afford. Its popularity | | | | pushed into the loop for a breathable and safe |
| grows each year on a wide scale. | | | | inhaling mixture. |
| The margins for errors are slim, so technical divers | | | | The work flow of a rebreather unit can be |
| boldly push the boundaries of exploration and | | | | summarized as follows. Breathable air goes from |
| technologies. Divers often operate outside the range | | | | scrubbing unit and back to the mouth of a diver. |
| of rescue, or in environments that do not have direct | | | | Exhaled air flows from the mouthpiece into the |
| and clear path to the surface. | | | | scrubbing unit through a special hose. Pure oxygen is |
| The gear for technical diving includes colored | | | | stored in oxygen cylinder and is added to the |
| regulators to indicate specific gas mixtures and | | | | breathing loop. It replaces oxygen used by the diver. |
| wing-style BCD that increases lift ability for twin | | | | Then an absorbant chemical stored in the scrubbing |
| cylinders and cumbersome equipment. | | | | unit removes CO2 from exhaled breath. Air cylinder |
| Rebreather diving makes use of a closed breathing | | | | holds the air that is introduced into the system thus |
| loop recycling diver's exhaled breath. The technology | | | | maintaining the volume of gas. The rebreather's gas |
| is at the cutting edge of the scuba diving. Chemicals | | | | content and toxicity level can be checked on a |
| are used to replace carbon dioxide from the exhaled | | | | computer display. |
| air, and at the same time oxygen is entered into the | | | | Train yourself and use advanced equipment of |
| system to sustain life. Rebreather technology | | | | technical diving to take your hobby to the next level |
| decreases air consumption greatly, as well as reduces | | | | and explore the secrets of marine life and ocean's |
| the alarm vulnerable marine life as it does not | | | | depths. |
| produce bubbles. This kind of diving is not for a | | | | |