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When forcing the bucket down, because the rope is soft, it is difficult, and also very dangerous.
This design of the handle of the bucket is in the lower center position, the shape of the barrel is small in one end and big in another, in trapezoidal shape. When drawing water, barrel mouth is downside. Barrel mouth firstly contacts with the surface of the water, and always contact with water at the same time, so it's easy to take to the water, by playing full barrel of water till the barrel mouth up.
Dingxi Teachers College