A speaker to educate about energy-saving light bulb technology at Tharntechnological college. Lekise has been honored by the Tharntechnological college as a lecturer on the topic "Energy-saving electric lamp technology" to 165 students in the electrician department, vocational certificate 1 and vocational certificate 2, on Friday, July 21, 2023 at the Auditorium, 5th floor, Mahachai Automotive Institute of Technology.