When quite dry guncotton is easily detonated by a blow on an anvil or hard surface.
She was under heavy fire, and as she appeared to be sinking, the order was given to abandon ship and blow the charges; they detonated and the ship sank.
With about 2% of moisture it can still be detonated on an anvil, but the action is generally confined to the piece struck.
Upon impact, a shaped charge that can pierce light armor is detonated.
March Multiple bombs were simultaneously detonated on packed commuter trains in Madrid killing nearly 200 people and injuring nearly 2000.