category	concept	Raw data
Staff management	Staff training	A33 I don’t know much about some applause systems, and I don’t know how to implement them.
Staff management	Staff assessment	A101 Employee assessment can know the level of employee safety knowledge and improve employee safety skills.
Daily management	Risk classification control	A02 For industries prone to major accidents, double preventive working mechanisms should be adopted, i.e. risk classification control, hidden danger investigation and treatment.
	Publicity of emergency evacuation knowledge	A71 Eye-catching emergency evacuation knowledge slogans can help passengers understand the correct evacuation steps and improve evacuation efficiency and safety.
	Emergency simulation exercise	A16 Emergency simulation exercises can help me better understand my role in emergency evacuation
	Implementation of management system	A117 It is necessary to confirm the implementation of the Subway Management System in order to avoid the tragedy caused by non-compliance with the system.
Emergency evacuation management	Effectiveness of emergency plan	A47 Whether the preparation of emergency plan is reasonable and whether it can play the greatest role in the process of emergency evacuation is the key to emergency evacuation.
	Establishment of emergency evacuation organization	A123 The rational allocation of emergency evacuation organization personnel includes whether the division of functions of the organization personnel is clear, and whether the division of functions of the organization personnel is reasonable is the premise of successful evacuation.
	Emergency evacuation resource allocation	A159 The rational allocation of emergency evacuation resources provides a solid foundation for emergency evacuation work
Employee emergency response ability	Rapid response capability	A103 Response should be made in the first time after the accident happened, and the time for rescue and evacuation should be strived for.
Employee emergency response ability	Field command capability	A27 In the process of emergency evacuation, managers’ on-site command ability is the key to successful evacuation.
Fire control level	Automatic sprinkler system	A13 After the fire accident in Daegu Subway, South Korea, there was no automatic sprinkler system in the carriage, which led to the rapid spread of the fire and heavy casualties.
	Fire extinguishing facilities	A137 Fire extinguisher is an important equipment for controlling fire spread and eliminating fire when a fire occurs in a subway station.
	Ventilation and smoke exhaust system	A121 When a fire occurs, the ventilation and smoke exhaust system can continuously discharge the smoke, reduce the harm of toxic gases to evacuation, increase visibility and reduce the risk in the process of evacuation.