PSA is a public service announcement, an awareness campaign.
It could be as simple as teaching everyone to walk on the same side of the footpath in each direction, to demonstrating how quickly a fire spreads and ways to prevent and react.
PSA is a public service announcement, an awareness campaign.
It could be as simple as teaching everyone to walk on the same side of the footpath in each direction, to demonstrating how quickly a fire spreads and ways to prevent and react.
Not only that, usually lettinf people out fully and then going is is faster than getting all crammed and sruck trying to enter.