What Is A Class M Explosive?

What Is A Class M Explosive? High explosives are divided into three main categories, Primary (or Initiating) High Explosives, Secondary High Explosives, Boosters and Secondary High Explosives, Main Charge. What are the classes of explosives? (a) High explosives (for example, dynamite, flash powders, and bulk salutes); (b) Low explosives (for example, black powder, safety fuses,