ʻOku maʻolunga ange ʻa e fakatuʻutamaki ʻoku fekauʻaki mo e methane, naʻe pehe ki hono ngaahi meʻa fakapaaki ʻo e lahi, ʻa ia ʻoku ne ʻai ke lava ʻo tukuange ha lahi ange ʻo e ʻea vela ki hono mamafa.
Acetylene, ʻi he tafaʻaki ʻe, ʻOku koloaʻia ʻi he kaponi, fakaʻauha ia ki hono faʻu ʻo e kohu. ʻE lava ke taʻofi ʻe he meʻa ni ʻa e ngaahi founga ʻo e afi mo fakafepakiʻi hono tauhi maʻu ʻo e ngaahi toʻonga seini.