“We know about Cholera, Meningitis, Malaria, Polio, small pox… They are the old diseases killing millions of people in last century. In many developed countries, people got vaccination and better health care, they are no longer untreatable.
Working for water supply is my expertise. And working for latrines is my interest. I love to share with friends about water supply before dinner, and share with friends about toilet construction after dinner.