9:48.
"First floor, second floor, are the smoke grenades ready?"
Cao Yi stood below the teaching building, calling out to team members on each floor using a two-way radio.
Behind him stood several school leaders and the leaders of the inspection group, with Director Jiang explaining cheerfully beside them:
"This exercise is a safety drill prepared jointly by our school's office and logistics department, mainly to enhance the students' safety awareness and the school's response to sudden fires..."
"Report, first floor ready."
"Report, second floor ready."
"Instructor Cao, I'm at the second-floor staircase, with two smoke grenades, one black and one gray. Which one should I use?"
Fang Huai's voice came through the two-way radio.
At that moment, Director Jiang confidently explained to the leaders again:
