Amazing technique of installing air vents

Air holes are very necessary to keep air circulation in a room smooth and fresh. In addition, the air vent also functions as lighting.
There are times when when building a residence, the air vent has not been made or is misplaced, so it is necessary to demolish the wall to install the new vent.
In this video, it is shown how to make an air vent by punching holes in a permanent wall. The stages of making an air ventilation vent can be seen in the video above.