How many kinds of fire fighting facilities are there?

Fire control facilities include fire appliances, fire hydrants, fire detectors, alarms, fire elevators, etc. Fire control facilities refer to fixed facilities such as automatic fire alarm system, indoor fire hydrant and outdoor fire hydrant in buildings. Automatic fire fighting facilities are divided into electrical system automatic facilities and water system automatic facilities. Fire?Extinguisher?

Fire extinguishers include heptafluoropropane fire extinguishers, carbon dioxide fire extinguishers, 12 1 1 fire extinguishers, dry powder fire extinguishers, acid foam extinguisher, carbon tetrachloride fire extinguishers, fire extinguisher hangers, mechanical foam extinguisher, water fire extinguishers and other fire extinguishers.