Merlinda A. Palencia, a professor from Adamson University, explains the benefits of “Virgomin” to both humans and the environment. Virgomin, an eco-friendly septic water treatment, is one of the products and technologies exhibited on Tuesday, Dec. 13, during the Mindanao-wide Technology Transfer Day held at the SMX Convention Center in Davao City. (Robby Joy Salveron/davaotoday.com)
