Lub teeb tawg-pov thawj yog ib qho khoom siv hluav taws xob nrog cov khoom tawg-pov thawj ua los ntawm cov khoom siv aluminium alloy. Thaum cov roj sib tov tawg nkag mus rau hauv lub casing thiab ignites, Cov tawg-ntawv pov thawj cov npe tuaj yeem tiv thaiv kev tawg ntawm cov roj sib tov thiab tiv thaiv kev tawg ntawm cov sib xyaw ib puag ncig sab nraud lub casing.
Lub hauv paus ntsiab lus ntawm kev sib kis ntawm kev tawg-pov thawj cuam tshuam nrog siv cov hlau khoob kom nres ntawm cov nplaim tawg, Cua txias qhov kub ntawm cov khoom tawg rau kev tua hluav taws thiab txo cov cua sov.