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The Zimbabwean government and a number of organisations responded in various ways to the devastation done by Cyclone Idai, which occ
Purpose. The 2014 outbreak of Ebola virus disease (EVD) in West Africa was the largest in history.
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