FM-200, Novac, and Inergen 1230 are types of fire suppression systems commonly used for protecting critical environments. FM-200 is a clean agent fire suppression system, Novac typically refers to a range of fire extinguishing agents, and Inergen 1230 is a blend of inert gases used to extinguish fires. Each system is designed to rapidly and effectively suppress fires while minimizing damage to protected assets.