The Best Way to Pump it Up - Part 2 : The India Mark and EMAS Flexi-pump

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Hey everyone,

Today I will be concluding my series on water pumps with the India Mark pump and the EMAS Flexi-Pump. One of these pumps, the India Mark, has been widely used in developing countries for decades and continues to be improved on (there is the Mark II and Mark III). The EMAS Flexi-Pump has a simpler design, is more affordable, and is easy to make on your own. Which one is better? Let's see. I'll start with the India Mark.

The Mark II was designed during the 1970's in response to the lack of reliable hand pumps in rural areas of India (there is no Mark I). At that time most people were using...

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