Shenhai e fakamoʻoni fakaʻauha
Blowtorches ʻe lava ke maʻu ʻe he butane ʻa e mafana ʻo e ʻea ki he 1500 ° c.
ʻI he lighters, feituʻu butane hoko ai ko e lolo, ʻOku faʻa hovers takai ʻa e vela ʻo e ʻea 500 mataʻitohi ʻe. Ka, ʻOku kehe ʻeni mei he mafana ʻo e mataʻitohi ʻe 800 ʻo e ulo ʻo ha foʻi ama.