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Easy to maintain.<br>
Easy to train on maintenance.<br>
| valign="top" | - Not all introduction programs have been successful.<br>- When break systems fails, can be dangerous for children.<br>- Too many breakdowns when used by too many families<br>- Pumping becomes heaby at depth below 25m.<br>- Repair management becomes a problem after a while when used as a community handpump, due to too many repairs.<br>
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