Portable Dry Powder Fire Extinguisher

What type of fire extinguisher is this? It is a portable ABC dry powder fire extinguisher, capable of extinguishing A-type solid fires, B-type liquid fires, and C-type gas fires. It is a universal fire-fighting equipment. How to read the pressure gauge? The pressure gauge is divided into three zones: green, yellow, and red. The green zone: normal pressure, can be used; the yellow zone: high pressure; the red zone: insufficient pressure, requires refilling. What is the usage method? The mnemonic is: lift, pull, hold, press. Lift the fire extinguisher, pull out the safety pin, hold the nozzle with one hand and aim it at the root of the flame, and press the handle with the other hand to spray. In which places is it applicable? Shopping malls, warehouses, factories, offices, households, vehicles, corridors, etc., for initial fires.