CLEAN : Leaders of 27 countries gather at the roundtable during European Summit

The video provides instructions on how to leave a room, emphasizing the importance of following the given procedure.

What is the first step mentioned in the process of leaving the room?

• Close the door

• Open the window

• Say 'OK'

• Turn off the lights

What should you do after saying 'OK' to leave the room?

• Proceed to exit

• Wave goodbye

• Turn around

• Lock the door