Hoʻohana nui ʻia nā cylinders alumini ZX no CO2 i ka ʻoihana inu. He mau la'ana ma'amau nā mīkini ho'ohana i ka home a me nā mīkini pa'ipa'i pā'oihana. Ke ʻimi mau nei mākou i ka hiki ke hoʻohana ʻia.