Nws tus kheej igniting hlau powder consists ntawm nanoscale particles uas, thaum nphav raug cua, Npaj undergo oxidation nrog cov pa. Qhov tshuaj tiv thaiv no tso tawm tshav kub kub, culminating hauv lub ignition ntawm lub hlau hmoov thaum nws mus txog nws combustion taw tes.