The first bottle tubes coming from the patient as they accumulated liquids such as blood or pus. Best air will flow along the tube to the bottle. The two bottles are one of the aerosol hose pipes, hose end dip below the water level of approximately 2-3 cm with the short end of pipe pipe pipe is a high water level and the other at the end of the third bottle. Three bottles with three pipe pipe pipe connecting to the second bottle, the first, the second is the long end of the hose pipe, dipping below the water level of approximately 14 cm 10. The other end is connected to the external atmosphere of the third tube is a short hose to the suction or vacuum, which makes the system pressure is negative to suck wind or water additives that are pending in the comfy chest.
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