The document discusses the selection, distribution, and classification of fire extinguishers. It provides guidelines for determining the appropriate type and number of extinguishers needed based on the hazard level (light, ordinary, extra) and amounts of Class A, B, and C combustibles present. Extinguishers should be placed within 75 feet of any location and mounted between 3.5 to 5 feet from the floor. The document also provides examples of properly distributing extinguishers according to the maximum floor area they can protect and guidelines for Class B, C, and D rated extinguishers.