- Presentation #100 - Part #11

Working with cement

As cement is the most costly material that is used in our design for this rope pump, we use it very carefully. It is mixed with sand, gravel and water is small batches. Mixing is done fast and easy by rolling the batch over and back on a plastic sheet.
Then this sheet with its content is taken to the place of use and applied. In this way there is no spillage at all and cleaning the sheet is easily done after a day's work.

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