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Home Services Contact Us Products Fire Industry News Fire Links FAQs Training	Contact Us       Address: Hedrick Fire Protection Phone: 877-570-3473 Mobile: 909-223-5042 / 951-515-7866 Fax: 714-575-5180 Email: Rhedr18255@sbcglobal.net Owner: Robert Hedrick / Richard Hedrick     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?