What is class F fire?

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Correspondingly, what must you not use water and foam extinguishers on?

Don't Add Wate. Never use a water extinguisher on electrical fires or any fire involving a flammable liquid. As any science student will tell you, water conducts the current. If you spray water onto an electrical fire, inadvertently or intentionally, you risk electrocuting yourself. What should you not use a foam extinguisher on? Foam Extinguisher (AFFF. Do not use on chip or fat pan fires. For fires involving solids, point the jet at the base of the flames and keep it moving across the area of the fire. Ensure that all areas of the fire are out. For fires involving liquids, do not aim the jet straight into the liquid.

What are the three most common causes of fire in the NHS?

The following circumstances often contribute to fires: Poor housekeeping, such as allowing ventilation points on machinery to become clogged with dust or other materials - causing overheating; Flammable materials used in contact with hot surfaces; Static sparks (perhaps due to inadequate electrical earthing). What is the biggest cause of fire in the NHS? Arson is a significant cause of fire in NHS premises. Many fires in healthcare premises start in parts of the building where the materials or commodities stored provide a ready source of fuel.

Regarding this, should you help someone to stop drop and roll?

The "stop, drop, roll ? cool and call" procedure should be used to extinguish flames and lessen burn injuries if your clothes catch fire. ROLL over and over and back and forth, covering your face and mouth with your hands (this will prevent flames from burning your face and smoke from entering your lungs).