Noises
Move around the classroom
Multiple Proficiency Levels
Sounds
Technical difficulties
Manage the rate of your speaking
Equipment
Always have a plan B
To be able to take decision
Facial and hand movements improve the meaning of sentences.
Voice Projection
Large classes
Chair's order
Articulation helps students understand better
Body posture express confidence
Cleaning
Unexpected situations
Hold eye contact
Cheating
Sight
Discipline
