| 摘要 |
Flapper tank ball pendulum comprised a buoyant hollow ball which has a small bottom opening, a handle which is fixed at the top of buoyant hollow ball and a fenestrated cone-shaped shell which is fixed at the bottom of buoyant hollow ball. One can easily fasten its handle onto lever of toilet flushing unit. Flapper tank ball pendulum can be lifted by pushing downwards pushing handle of toilet flushing unit to drain whole tank of toilet water to flush human solid waste and also can be pushed downwards by elevating manually pushing handle of toilet flushing unit to close drainpipe of toilet water tank to stop draining toilet water. Only about one quarter of water in toilet water tank is enough to flush human liquid waste. Human urinate several times a day and defecate only once a day. Flapper tank ball pendulum can replace flapper tank ball to save huge amount of water to solve the shortage of water supplies in big cities in the States. When we find that toilet drainage is clogged during flushing toilet water we can elevate manually pushing handle of toilet flushing unit to descend flapper tank ball pendulum to close drainpipe to stop flushing.
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