This is what we know in the fire service and this exercise can be applied at this time of the movement.
Pull the Pin at the top of the extinguisher. The pin releases a locking mechanism and will allow you to discharge the extinguisher. Dr. Felitti stated the Ordeal of Change: The reason for change to be so difficult is it induces a crisis in self-esteem. You have to admit you have been doing it wrong.
Aim at the base of the fire, not the flames. This is important - in order to put out the fire, you must extinguish the fuel. To even talk about the ACE questions let alone ask people, is still a taboo to most professionals. Refer above. I offer the survey in the field at some of the worse conditions. And I find it works.
Squeeze the lever slowly. This will release the extinguishing agent in the extinguisher. If the handle is released, the discharge will stop. Keep up the tough work. If you are not blurring the boundaries of your practice, you are not doing enough for your patient.
Sweep from side to side. Using a sweeping motion, move the fire extinguisher back and forth until the fire is completely out. Operate the extinguisher from a safe distance, several feet away, and then move towards the fire once it starts to diminish. Be sure to read the instructions on your fire extinguisher - different fire extinguishers recommend operating them from different distances. Remember: Aim at the base of the fire, not at the flames!!!! Baby Steps.