จากการสอบสวนพบว่าอุบัติเหตุครั้งนี้

The investigation found that this accident was caused by an employee not others with security because when satan has been เกีรย์ into the engine forward, without putting the handbrake, and off cars,When a car has a high voltage bus can move forward without the mandatory ones, because this auto-transmission cars.

The investigation found that the accident was caused by the employee does not comply with the security because when Star Sprite engine and one subwoofer Bay forward without the handbrake on and off the car, when the car is strong. pressure, it can move forward without the force of cars are automatic transmission.

The investigation found that the accident was caused by the staff not to work with safe, because when อสตา start engine and an teacher move without put the hand brake and out of the car,When a car is high pressure car can move forward without force due to this ใช้ระบบ automation.