تماشای ویدئو How to make plastic washers from recycled HDPE for the rope pump. از آی-ویدئو

Plastic washers are made with a small and cheap extruder. The raw material comes from old beer crates. The washers are used in the Life Rope Pump in Ghana. These washers give 15 % more yield and last longer than the traditional rubber washers. More info: www.pumpingislife.nl or www.ludo-engineering.nl. Tel 0031182307907.
3 فروردین 1397
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