====Open circuit====Open circuit scuba systems discharge the breathing gas into the environment as it is exhaled, and consist of one or more diving cylinders containing breathing gas at high pressure which is supplied to the diver through a diving regulator, and may include additional cylinders for decompression gas or emergency breathing gas.
====Open circuit====Open circuit scuba systems discharge the breathing gas into the environment as it is exhaled, and consist of one or more diving cylinders containing breathing gas at high pressure which is supplied to the diver through a diving regulator, and may include additional cylinders for decompression gas or emergency breathing gas.