It is an important organic chemical material and widely used in many fields, dyestuff, medicine, detonator, spicery and rubber-vulcanize accelerant etc.
Rubber sheeting covered the commander's cupola, the mantlet and the hull machine-gun, but this could be blown away from inside the vehicle by means of an electrical detonator.
Pakistan's Ministry of Information says unregistered phones are used as remote bomb detonators, and for making fraudulent or annoying “obnoxious calls”.
This is a common practice in which someone from the organization accompanies a suicide bomber with either a backup detonator or to make sure the attack happens.
Two of the men war wearing black sweaters and a single black glove on one hand, which officials say may have been hiding detonators connected to suicide vests.
But the commander was afraid of the dozen or so iron stoves inside the building, filled with explosives and connected to each other by electric detonators.