MS-2. MS-2 is a two zone conventional fire alarm control panel compatible with the new I3 smoke detectors from System Sensor, and provides such advanced features as drift compensation, maintenance alert, and freeze warning.
The Ring of Fire describes the margins of the Pacific Plate, which is ringed by volcanoes and experiences frequent catastrophic earthquakes, from New Zealand to Indonesia to Japan and Russia's Kamchatka, through Alaska's southern fringe along the entire western coast of the Americas.
The Ring of Fire is a string of underwater volcanoes and earthquake sites around the edges of the Pacific Ocean. An explosion near the summit of West Mata volcano within the Lau Basin throws ash and rock, while molten lava glows below.