Final answer:
Fire extinguishers must be inspected and recharged every six months to ensure they are in proper working condition.
Step-by-step explanation:
Fire extinguishers must be inspected and recharged, if necessary, every six months to ensure they are in proper working condition. This regular maintenance helps to identify any issues and replenish the extinguisher's supply if needed. Inspection and recharging should be done by a trained professional to ensure safety.
Regular maintenance of fire extinguishers is crucial to ensure their effectiveness in case of a fire emergency. By inspecting and recharging them every six months, potential hazards can be identified and mitigated in a timely manner.