| Signal to presenter | Bell | 
|---|---|
| Start time | |
| In two-thirds progress | 1 buzzers | 
| At the end of presentation | 2 buzzers | 
| At the end of presentation time | 3 buzzers | 
 
							| Preparation: | Please start the preparation at the time of exhibition starting time. | 
|---|---|
| At the time of presentation: | The chairperson will announce the beginning of the session and signal the start of the session with a bell or similar device. | 
| At the end of presentation: | The chairperson will announce the end of the session and signal the end of the session with a bell or similar device. | 
| Removal: | Please remove posters before the end of exhibition hours. | 
