a ubao yenye chaki & vumbi ... sijaona mojawapo ya haya kwa muda fulani !! ... Inashangaza muhadhara haitumii ubao mweupe / powerpoint####[['ubao', 'Teaching_Setup', 'NEU'], ['chaki', 'Teaching_Setup', 'NEU'], ['vumbi', 'Teaching_Setup', 'NEU'], ['muhadhara', 'Course_General_Feedback', 'POS'], ['ubao mweupe', 'Teaching_Setup', 'NEU'], ['powerpoint', 'Teaching_Setup', 'NEU']]