Mecanon e like me ka regulator recial no ka mea hana kanaka a me ka mea kūʻai aku ma Kina, oxygen a hiki iāʻoe ke hōʻoiaʻiʻo i kaʻoihana o kaʻoihana Ināʻaʻole eʻikeʻoe i kāu regulator kūʻokoʻa no ka hapanui o ka helu kālā ma ka helu uku ma kā mākou papa inoa huahana, hiki iāʻoe ke heluhelu me mākou, hiki iā mākou ke heluhelu mākou i nā lawelawe i hanaʻia.