Mr. Surachai Dingsawad, an educational affairs committee of the Princess Maha Chakri Award (PMCA) reported activities of The 2019 PMCA awardee from Vietnam during the COVID-19 pandemic. Mr. Surachai reported that Mr. Le Thanh Liem, who is a physics teacher and the 2019 PMCA awardee from Vietnam takes an active role in his community to fight COVID-19 by building an automatic UV sanitizing box to disinfect bank notes and face masks. Mr. Liem dedicated his time to design his invention by ...