This document summarizes fire alarm and firefighting systems. It describes different types of fire alarm panels, smoke and heat detectors, manual pull stations, and alarm bells and flashes. It also outlines various firefighting equipment like extinguishers of various types for different fires, sprinkler systems, hose reels, wet chemical systems for kitchens, FM 200 systems for IT rooms, and gas leak detection systems. Evacuation systems like maps, exits, staircases, speakers and assembly points are also summarized.