i can expect it's just a normal gas mask it's a filter that protects us through most of the toxic. agents were it's estimated that some one point five billion shells were fired during world war one most of those that didn't detonate about thirty percent of all shells are buried somewhere in the soil in and around the town if. they pose a deadly danger and locals are regularly injured. pranks ordinance disposal squad is very busy. tell me it should be done within three days so it's a grievance and between the ministry of defense and the belgian government. they bring the day's haul back to base per year they receive an average of two hundred tons of unexploded ordinance. the military buries the munitions on a special site and destroys them through