| 摘要 |
A moistener for a mailing machine, comprising: a first tank for containing a first body of water, an absorbent element for drawing water from the first tank and presenting a moist surface; a second tank for containing a second body of water; and a valve assembly for metering water from the second tank to the first tank, wherein the valve assembly comprises a valve in fluid communication with the second tank such as, on actuation of the valve, to cause water to be delivered from the second tank to the first tank, and a float unit for actuating the valve in response to a water level in the first tank.
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