Sensitive materials that can be initiated by a relatively small amount of heat or pressure are primary explosives and materials that are relatively insensitive are secondary explosives .
High explosives produce more pressure than low explosives .
High explosives produce more pressure than low explosives .
Simplifica la oración: Sensitive materials that can be initiated by a relatively small amount of heat or pressure are primary explosives and materials that are relatively insensitive are secondary explosives . Producción: