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For large scale, more sophisticated technologies may become cost effective - although the need for skilled operators may still be a barrier in some [[contexts]]. ''See [[Municipal water supply and purification methods]].'' | For large scale, more sophisticated technologies may become cost effective - although the need for skilled operators may still be a barrier in some [[contexts]]. ''See [[Municipal water supply and purification methods]].'' | ||
[[Cloth | [[Cloth filters]]s or simple sand filters, combined with [[solar water disinfection]], may be suitable for use on a small scale, using jars or bottles, and requiring only very few resources. | ||
=== Removing arsenic === | === Removing arsenic === |