전문가들은 “밀가루는 가연성이 높아 불에 잘 붙는다"며 “밀가루와 촛불이 만나 분진 폭발한 것"이라고 추측하고 있다.
Experts speculate that "the dust is highly flammable and kindles easily," and that "it is likely for the dust explosion to have occurred when the flour met the candle."