R, Saturation barrel, manually refill water: tap water or purified water, require clean.

S, Machine cover supporting frames:：Support cover use.

T, Water inlet: saturated barrels and test chamber heating water from this port automatically supply, require clean water free of impurities, the water pressure should be more than 1.5KG.

U, Exhaust outlet: 50mm in diameter, turn upwardly for air exhausting, and turn downwardly for water exhausting.

V, Saturation barrel outlet: requests discharge at least once every month.

W, Air inlet: require clean air without impurities, pressures about 2-3KG/CM2, through the filter valve into the machine saturation barrel. Require once discharge every three-day. The draw valve underneath the filter valve, can close gas source or upward press can be discharged.