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Menstrual hygiene is a vital as well as a very sensitive issue for women in reproductive ages.
When responding to an emergency situation, ensuring safe excreta disposal is an urgent priority in the disaster relief effort.
Following the Asian tsunami of 26 December 2004, the vital domestic fresh-water wells in the coastal zone were either scoured out of
Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice