V-Fire

Fire is the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products.[1] Slower oxidative processes like rusting or digestion are not included by this definition. World first fire alarm system? The first fire alarm telegraph system in the world was invented, constructed and placed in operation in Boston, Massachusetts, on April 28, 1852. The first alarm was received over the system on April 29, 1852 at 8:25 p.m. The ….  Read More