"A comrade has fallen because of this."
That statement, powerful enough to shock, had earned Fang Huai the silence of the Instructor and the solemn attention of everyone present.
So, no one interrupted, and Fang Huai's voice continued.
"Modern building fires are different because buildings are taller, more compact. There are fewer breezy bungalows, many buildings are surrounded by limited space, with fewer external ventilation doors and windows, mainly of the limited ventilation type fire scene. Furthermore, the burning energy contained in building and decorative materials vastly exceeds that of the past.
From this perspective, the time has come for our old fire-fighting methods to change.
How to control the inflow of oxygen, to manipulate airflow to alter combustion conditions, is becoming an increasingly critical issue."
As Fang Huai spoke, the scenes of the day Little Black fell kept flashing in his mind.