FACTS ABOUT EXPLOSIVE ORDNANCE DISPOSAL REVEALED

In 1918, the Germans made delayed-motion fuzes that would later acquire into additional innovative versions during the 1930s, as Nazi Germany began its key system of arms improvement. These exams resulted in the event of UXBs (unexploded bombs), pioneered by Herbert Ruehlemann of Rheinmetall, and first used during the Spanish Civil War of 1936–37