How to chair a meeting

Task: students watch a video on how to chair a meeting. Students reflect on how to start a meeting.
Level: pre-intermediate and above. Some of the vocabulary might be difficult for pre-intermediate levels but the video is repetitive, has partial subtitles and I provide you with pre and while watching tasks, which will easy the burden of the activity. 
Materials:

How to chair a meeting. Sample task 

You can download by clicking HERE 

•  provided video (the business of English, episode 4, only up to minute 4) ,which  you can see on Youtube or download by clicking HERE   
• pre-watching and while watching tasks