Potassium bicarbonate & Urea Sophisticated (AKA Monnex), utilized on course B and C fires. More effective than all other powders due to its power to decrepitate (in which the powder breaks up into lesser particles) within the flame zone developing a greater floor region without spending a dime radical inhibition. https://germainee431hlp6.popup-blog.com/28325186/little-known-facts-about-extinguisher-service