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In order to use a fire extinguisher, you must be trained in fire extinguisher use annually according to OSHA regulations. Training online can be obtained at The ABC's of Portable Fire Extinguishers with a short quiz at the conclusion.
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To access the fire extinguisher, break the glass with an object or foot and pull the metal handle.
Resources
- Fire Extinguisher Program Safety Instruction (OSU Environmental Health & Safety)