The image shows a blackboard with several items listed in Vietnamese. The text on the board is written in Vietnamese and includes phrases such as "Dụng cụ," "Chăm sóc," "Công ty," "Nâng cao," "Làm sạch," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng cao," "Nâng