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→Experiences in different countries
<li>The rope pump is "too simple", therefore it is easy to copy, but experiences indicate "Simple is not easy": If not made well, the pump breaks down to much and can not be easily repaired.</li>
<li>Many Introductions have failed because of lack of training of users in maintenance and production and installation errors,
so the pump parts wear out too fast, or parts break.</li>
<li>With different depths, different sizes of pump pipes are needed, otherwise the pumping becomes to heavy. See manuals on websites
of Practica Foundation and Connect International.</li>