C391 A Ghost in the Electric Plant
"Uh..."
Gu Changfeng, feeling Xiaoran's scorn, suddenly realized his lapse and awkwardly scratched his head, straining to dredge up the knowledge he had let slip away.
"The elements for flame combustion... ignition source... combustibles... and oxidizers, right?"
"Exactly. Those are the three essentials for flame combustion. Missing any one of them disrupts the process," Xiaoran confirmed