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Counterpoise lift

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Bucket systems may also be adapted to animal power to increase flow, such as with the [[Bucket_hoists,_Windlasses,_Mohtes_and_Water_Skips|''mohte'']], or self-emptying bucket. This traditional device employs either a tipping action or simple flap valves in the bucket or bag to discharge the water at lifts of 5-10 m (16-33 ft). The system can be arranged for the animal to walk back and forth in a straight line or in a circle, thus requiring less supervision.

The low-lift ''dhone'', or see-sawing gutters from Bangladesh, can deliver about 300 liters/min (80 gal/min) at a 1 m (3.3 ft) lift. It is estimated that a shadoof can raise over 2,500 litres per day. This device uses flap valves and can be operated by a single person shifting the weight back and forth at the fulcrum.

==Suitable conditions==

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