E like me ka mea hana e alakaʻi ana i nā Valderial Valderial, e haʻaheoʻo Cokaren e hōʻike i kā mākou huahana hou - e ho'ōki i nā valves. Ua hoʻolālāʻia kēiaʻano kālā kiʻekiʻe e hāʻawi i ka hana nui a me ka hilinaʻi, a me kona mau hiʻohiʻona mea pono e kūpono i kahi nui o nā noi.