ʻOku lava ʻe he lolo mamafa ʻo ignition, ka ʻoku hanga ʻe hono taʻanga matolu ʻo ʻai ke faingataʻa ki he mama mo taʻofi ʻa e afi kakato. Neongo ia, ʻi he ngaahi ʻatakai ʻoku ʻi ai e ʻokisikena maʻolunga concentrations, ʻe lava pē ke vela ʻa e lolo mamafá.
Lubricating lolo, lolotonga e velangofua, ʻOku ʻikai ke ne fakaulo ʻa e fetuʻutaki mo ha ulo ʻo hange ko ia ʻe ala hoko. ʻOku kau ia ʻi ha tali oxidation, ʻa ia ʻoku fuʻu vaivai ʻaupito.