A scuba tank is also known as a diving cylinder. It houses and transports breathable compressed air as part of a SCUBA (Self-Contained Underwater Breathing Apparatus). Scuba tanks provide gas to the diver through diving regulators. Scuba tanks are usually filled to either the 232 or 300 bar, with volumes of three to 18 liters or with a gas carry capacity of 850 to 4[...]