Application of engineering methods to improve sanitation of human communities, primarily by providing the removal and disposal of human waste, and in addition to the supply of safe potable water
روشی از مهندسی میباشد برای ارتقاء بهداشت اجتماع انسانی،با استفاده از حذف و خارج کردن پسماندهای انسانی و همچنین فرآهم آوردن انتقال آب سالم (fa)
aplicación de métodos de ingeniería para mejorar el saneamiento de las comunidades humanas, principalmente proporcionando la eliminación y eliminación de desechos humanos, y además del suministro de agua potable segura (es)
application of engineering methods to improve sanitation of human communities, primarily by providing the removal and disposal of human waste, and in addition to the supply of safe potable water (en)