classes:  lecturer. The school should be equipped with window curtains to prevent light from dimming the projector, causing difficulties in reporting as well as teaching. It is necessary to upgrade the wifi system because when entering the practice room, the wifi is not usable, students are forced to go outside to do the work.  curriculum. The school should be equipped with window curtains to prevent light from dimming the projector, causing difficulties in reporting as well as teaching. It is necessary to upgrade the wifi system because when entering the practice room, the wifi is not usable, students are forced to go outside to do the work.  facility. The school should be equipped with window curtains to prevent light from dimming the projector, causing difficulties in reporting as well as teaching. It is necessary to upgrade the wifi system because when entering the practice room, the wifi is not usable, students are forced to go outside to do the work.  general. The school should be equipped with window curtains to prevent light from dimming the projector, causing difficulties in reporting as well as teaching. It is necessary to upgrade the wifi system because when entering the practice room, the wifi is not usable, students are forced to go outside to do the work.