A new model of septic tank, specifically designed for use in urban areas by Vietnamese inventors has been awarded a gold medal by the World Intellectual Property Organisation.

The award-winning design was jointly developed by Hoang Duc Thao, Director of the Ba Ria-Vung Tau Drainage and Urban Development One-Member Limited Liability Co., and his partners.

The medal was presented during an international science exhibition that took place in Seoul , the Republic of Korea , from Dec. 10-15, according to an announcement by the Vietnam Fund for Supporting Technological Creations (Vifotec) on Dec. 19.

As many as 38 countries and 500 scientific organisations around the world had submitted projects for display at the biennial expo.