ʻO mākou nā mea hana pahu pahu wai nitrogen ʻoihana ma Kina, e hana ana i ka hāʻawi ʻana i nā lako kiʻekiʻe a me nā ʻāpana ʻāpana me ka ʻōnaehana mana PLC. E ʻoluʻolu e ʻoluʻolu e kūʻai i nā pahu mālama wai nitrogen portable ma ke kumukūʻai hoʻokūkū mai kā mākou hale hana. E kelepona iā mākou no ka lawelawe maʻamau.
Huli