You know, I started off with little tiny amounts of potassium nitrate and sugar, which was readily available, and I mixed it in different proportions, and I tried to light it on fire.
ほんの少量の硝酸カリウムと 砂糖から始め 砂糖はいくらでもあったから 様々な割合で混合し まずは燃やそうと試みました