Kipengele pekee ambacho ningebadilisha ni kiwango cha kiufundi cha ( baadhi ya ) mihadhara : wakati mwingine hata ni rahisi sana , na muda mwingi hutumiwa kueleza mambo ya msingi sana .####[['mihadhara', 'presentation comprehensiveness', 'neutral'], ['mihadhara', 'presentation quality', 'neutral']]