This document provides training on fire extinguisher safety. It discusses the different classes of fires and types of fire extinguishers, how fire extinguishers work, proper fire extinguisher placement and use. Key steps for using a fire extinguisher include pulling the pin, aiming at the base of the fire, squeezing the handle to release the extinguishing agent, and sweeping from side to side until the fire is completely out. Evacuation is recommended if the fire cannot be controlled with an extinguisher.