Performed annual fire extinguisher inspection as per NFPA 10 standards. Examined 30 units, including ABC dry chemical, CO2, and Class K types. Verified proper operating pressure: 195-205 PSI for ABC, 800-900 PSI for CO2. Checked for physical damage, corrosion, and obstructions in nozzles and hoses. Ensured clear visibility and appropriate signage for all units. Conducted breakdown and internal inspection on 5 extinguishers due for 6-year maintenance. Replaced one unit with expired hydrostatic test date. Updated inspection tags and provided comprehensive report to facility manager, detailing findings and recommendations for strategic placement optimization.