Sar-Alam Indah Sdn. Bhd. (SAI), a subsidiary of WEIDA, welcomed 40 students and 4 teachers from Borneo International School to the Matang Septic Sludge Treatment Plant. The field trip, which was part of their Science and Geography curriculum, offered them the opportunity to observe the wastewater treatment process and understand how effluent and wastewater are managed.
