Explosive is the mechanical mixture of substances chemical or chemical compound that can be exploded by application of fire or detonation or strong shock. In other words explosives are solid or liquid substances or mixture of substances which Change themselves instantaneously into a large volume of Gases when sudden shock ,flame applied to it.
Low explosives - It is the mechanical mixture of substances when they ignited burns from particle to particle to produce large amount of gas that builds gradual pressure due to confinement and brakes the surrounding rock.
High Explosives - It is a chemical or chemical compound which is subjected to detonation or strong shock then they detonated instantaneous and sudden rearrangement of atoms producing large amounts of gases that builds Sudden pressure due to confinement and breaks surrounding rock in small pieces and throwing them in a distance due to shattering effect.
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