Ko e ha e fika ʻo e Butane ki he ʻea ʻoku fie maʻu ke ʻita

Ko e ngaahi fakangatangata ʻo e Butane mei he 1.9% ki he 8.4%.

Ko hono moʻoni, ʻOku fakahaaʻi ʻe he meʻa ni ʻOku tuʻu laveangofua ʻa e butane mo e ʻea ki he fakaʻauha ʻi he taimi ʻoku ʻi loto ai ʻa e butane ʻi he 1.9% ki he 8.4% huʻanga.