The crews have found no sign yet of military or chemical explosives.
Metal products and military explosives have been continuously produced here since then.
The car had been filled with military high explosives.
Western officials have described those as professional operations employing military explosives used by jihadi groups in Iraq and elsewhere.
For a typical set of military explosives, the value of ranges from between 2.79 and 3.15.
He was accepted into al-Qaeda and received training in general combat and military explosives.
When the aircraft was re-assembled, investigators found small traces of high-powered military explosives.
The operators evaluate information like the concentration of nitrogen, an important ingredient in all commercial and military explosives.
No other country in the world is so fascinated by military explosives combined with sporting events.
"We don't know if they are civil industrial or military industrial explosives."