PRB-111 mine
Encyclopedia
The PRB-111 is a square Belgian
Belgium
Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 minimum metal
Minimum metal mine
A minimum metal mine is a land mine that is designed to use the minimum amount of metal in its construction . Both minimum metal anti-tank and anti-personnel mines exist. Some designs contain almost no metal at all...

 anti-tank blast mine
Anti-tank mine
An anti-tank mine, , is a type of land mine designed to damage or destroy vehicles including tanks and armored fighting vehicles....

 that consists of a block of explosive which may or may not be coated in asphalt
Asphalt
Asphalt or , also known as bitumen, is a sticky, black and highly viscous liquid or semi-solid that is present in most crude petroleums and in some natural deposits, it is a substance classed as a pitch...

. A central cavity on the top surface is covered by a plastic pressure plate, underneath which is a small well for a pressure fuze. The fuze used with the mine is the M5 pressure fuze, as used in the PRB M35 anti-personnel mine. A secondary fuze well is provided in the center of the base of the mine for fitting anti-handling devices.
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