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Introduction: The major aim of hand washing promotion programs is to persuade people to change their behaviour to reduce high-risk h
Menstrual hygiene is a vital as well as a very sensitive issue for women in reproductive ages.
After the earthquake in Haiti in 2010, thousands of agencies, organizations, and individual people tried to find ways to help the pe
Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice