What are the common fire smoke alarms in our daily life?

We commonly used smoke alarm fire equipment what
1. Common fire fighting equipment include NB Internet of things smoke detector alarm, dry powder fire extinguisher, carbon dioxide fire extinguisher, household fire extinguisher, vehicle fire extinguisher, forest fire extinguisher, stainless steel fire extinguisher, water system fire extinguisher, hanging fire extinguisher, gun fire extinguisher, fire extinguisher box, fire extinguisher hanger, etc.
2. Fire hydrants include indoor fire hydrant system and outdoor fire hydrant system. The indoor fire hydrant system includes indoor fire hydrant, hose and nozzle. Outdoor fire hydrants include two categories: aboveground and underground. Outdoor fire hydrants are widely used in large petrochemical fire fighting facilities. Most petrochemical fire water systems have adopted stable high-pressure water system, and fire hydrants have gradually changed from ordinary type to adjustable pressure type.
3. Demolition tools, including fire ax and cutting tools. As for the others, they are all fire fighting systems, such as automatic fire alarm system, automatic sprinkler system, smoke prevention and exhaust system, fire prevention and separation system, fire fighting broadcast system, gas extinguishing system, emergency evacuation system and so on.
Do you know how to maintain these fire-fighting equipment regularly? The following is a detailed introduction:
1. Do not disassemble and break fire equipment at will. Once disassembled, you may have unexpected consequences.
2. For fire extinguishers, the extinguisher reagent should be replaced regularly, and the handle and nozzle should be repaired in case of failure.
3. Check the equipment inside the hydrant box (such as gas mask, emergency torch, fire extinguisher, etc.) at all times for completeness and convenience.