Kev tawg pov thawj lub teeb 400w siv nyob rau hauv cov chaw muaj kev phom sij uas muaj cov pa roj thiab hmoov av, uas tuaj yeem tiv thaiv arcs, sparks, thiab kub kub uas yuav tshwm sim hauv lub teeb los ntawm igniting combustible gases thiab plua plav nyob rau hauv ib puag ncig, yog li ua tau raws li qhov yuav tsum tau ua pov thawj tawg.