Wahi a ka ʻōnaehana o ka oxygen generation o ka pahu mālama lapaʻau i ʻōlelo ʻia ma ka Manaʻo 1, ʻo kāna mau hiʻohiʻona ʻo ka pā lalo (1) i hāʻawi ʻia me ka pā puka (10), kahi pā mua (11), kahi pā ʻaoʻao mua (12) , he papa ʻaoʻao hope (13) a me ka pā luna (14).ʻO ka pā lalo (1), ka pā puka (10), ka pā mua (11), ka pā ʻaoʻao mua (12), ka pā ʻaoʻao hope (13) a me ka hale (14) he kino ipu i hoʻopaʻa ʻia.Hāʻawi ʻia ka pā ʻaoʻao mua (12) me kahi puka ea (21) a me kahi puka makani (22), a aia ka puka makani (22) ma ka ʻaoʻao o luna o ka mea hoʻoheheʻe ea (2).
E like me ka ʻōnaehana hana oxygen hale mālama olakino i ʻōlelo ʻia ma ka Manaʻo 1, aia ka mea hoʻoheheʻe ea (2) ma luna o ke kahua paʻa o ka ea (20), a ua hoʻonohonoho ʻia ka pahu hoʻolaha (16) ma ke kahua kumu kaomi ea (20) .
ʻO ka hiʻohiʻona pono nā hiʻohiʻona o ka hale paʻa, ka neʻe kūpono, ka hana wikiwiki a me ka wahi liʻiliʻi liʻiliʻi, hoʻohana i ka movable container sealing structure, ka ea compressor, mīkini hoʻomaʻemaʻe, air buffer tank, oxygen generator, oxygen tank a me ka ʻōnaehana kikowaena kikowaena i hoʻonohonoho ʻia ma luna. ka ipu pu, a hiki ke hoʻohana nui 'ia ma ke kahua o ka 'inikua a me ka 'ōnaehana olakino.