The innovative design of the automatic gas pipe effectively reduces the loss of water through evaporation and pumping to ensure that the valve can perform its best function.

独有自动气喉设计，能有效减低隔气内之水份被蒸发及抽干而失去防回流的功能。

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Pumping ozone gas into four of its storage rooms reduced the loss from decay to below 2% in 2007.

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