Qhov kev pheej hmoo cuam tshuam nrog methane yog ntau dua, ntaus nqi rau nws cov ntsiab lus hydrogen ntau heev, uas ua rau nws tso tawm ntau dua ntawm cov cua sov txheeb ze rau nws qhov hnyav.
Acetylene, ntawm qhov tod tes, yog nplua nuj nyob rau hauv carbon, predisposing nws mus rau pa luam yeeb tsim. Qhov no tuaj yeem cuam tshuam cov txheej txheem combustion thiab tawm tsam qhov kev ruaj ntseg ntawm cov saw hlau.