Assertion: diver's cylinder | /r/HasProperty | charged with cold gas
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text: Charging an empty dive cylinder also causes a temperature rise as the gas inside the cylinder is compressed by the inflow of higher pressure gas, though this temperature rise may initially be tempered because compressed gas from a storage bank at room temperature decreases in temperature when it decreases in pressure, so at first the empty cylinder is charged with cold gas, but the temperature of the gas in the cylinder then increases to above ambient as the cylinder fills to the working pressure.