Home Contact Us Products Fire Industry News Fire Industry Links How Does It Work ? FAQs In Case Of Fire Training How Does It Work? What is Fire? How Do Photoelectric Smoke Detectors Work? How do multi-class dry chemical fire extinguishers work? Fire Extinguisher Sizes Different Types of Fire Extinguishers     Durham . NC . 27704 . 919-220-3265   FAQs How Do Ionization Smoke Detectors Work? Why does smoke come from a fire? How do multi-class dry chemical fire extinguishers work? How Do Photoelectric Smoke Detectors Work?