Fragile and shaky, the poisoned river
Late last month, Asst. Prof. Dr. Surapol Voraphattrathorn, Director of the Artificial Intelligence and Genetic Technology Research Center, Mae Fah Luang University, visited Mae Sai River, Mae Sai District, Chiang Rai Province, to test for heavy metals in water (arsenic-As) using an immediate test kit (IQUAN). สล็อต