li-spark plugs, tse tsejoang ka hore ke li-fire plugs, li tla sebetsa e le phallo ea phallo ea piezoelectric e phahameng-voltage e tsoang ho lead-voltage lead (fire plug), e tla senya moea pakeng tsa li-electrode tsa li-spark plugs, tse hlahisang litlhase tsa motlakase ho hotetsa motsoako oa khase ka har'a silinda. Maemo a mantlha a enjene ea ts'ebetso e phahameng: tlhase e matla e tsitsitseng, motsoako o ts'oanang, tekanyo e phahameng ea compression. Likoloi tse nang le lienjine tse tukang ka hare hangata li sebelisa peterole le mafura a disele. Mmarakeng oa likoloi oa Chaena, likoloi tsa peterole li nka karolo e kholo. Lienjineri tsa peterole li fapane le lienjine tsa diesel hobane peterole e na le sebaka se phahameng sa ho tuka (hoo e ka bang likhato tse 400), e hlokang ho khantšoa ho qobelloa ho hotetsa motsoako. Ka ho tsholoha pakeng tsa li-electrode ho hlahisa litlhase, enjene peterole ke ka mafura le khase motsoako combustion ka nako e loketseng ho hlahisa matla, empa e le peterole peterole esita le sebakeng se phahameng mocheso ke ho le thata ho combustion itlelang feela, e le hore ho etsa combustion lona ka nako e loketseng ke ho hlokahala hore ho sebelisa "mollo" ho hotetsa. Mona ho khantša spark ke mosebetsi oa "spark plug".
