Ko tehea te mea kino ake: Hauwai, Acetylene ranei

He tepe pahū a Acetylene mai i 2.3% ki 72.3%, engari ko te rohe pahū o te hauwai ka toro atu 4% ki 74.2%.

I te mea he whanui ake te awhe pahū acetylene i te hauwai, ka nui ake te kino o te hauwai.