Investigators blamed rags and flammable liquids left by workers.
Investigators blamed illegal manufacturers throughout China for the problem and reported that 45 brands sold in Fuyang and elsewhere were substandard.
Investigators have blamed an old, improper repair and a short circuit for the fire.
Investigators also blamed the Shijiazhuang government.
Investigators instead blamed one of the soldiers who buried Ms. Kungayeva, saying he violated her corpse with the handle of his shovel.
Investigators blamed stocks of ammonium nitrate fertilizer stored in a bin inside a seed and fertilizer building on the property for the explosion.
Investigators initially blamed the crash largely on badly worn brakes for which parts were missing.
Investigators blamed the cause of the crash on pilot error because the flight crew misinterpreted data and flew the aircraft below the safety altitude.
Investigators have blamed lax controls and a culture that favored cost-cutting over safety.
Investigators have blamed an explosion in the center fuel tank, which was mostly empty, but have not pinpointed the source of the spark.