Ordinances (Procedure) the use of portable fire extinguisher (Light Fire Extinguisher) / Fire Extinguisher: 1. Pull / Release Pin locking lever APAR / Fire Tube. 2. Navigate to the center point of the fire hose. 3. Press the lever to remove the contents of portable fire extinguisher / Fire Tube. 4. Rub evenly until the fire is extinguished.