It needs to be saved in the dry inert gasoline environment or anhydrous mineral oil to avoid the formation of a surface layer of potassium superoxide, a tension-sensitive explosive that detonates when scratched. The ensuing explosion normally starts a fireplace hard to extinguish.[61][sixty two]??c bi?t, Huân ch??ng Lao ??ng h?ng Nhì do Ch? t?ch … Read More