设计组研制了一种可以向运转点以外数公里的居民供水的廉价水泵。它仅由一个旧油桶和一根长软管组成。这种水泵的工作原理并不先进,装置也很陈旧,是一种旋转着的蛇形管水泵。但是,以前似乎无人利用这种设想提水, The design team developed a cheap water pump that would provide water to residents a few kilometers outside the operating point. It consists of only one old oil drum and a long hose. The working principle of this pump is not advanced, the device is also very old, is a rotating serpentine tube pump. However, no one seems to have used this idea to raise water,