Ua hoʻolālā kūikawā ʻia ke kelepona ulia pōpilikia Tunnel no ke kaiapuni wela kiʻekiʻe a me ka makū kiʻekiʻe, me ka hana pale wai maikaʻi a me ka pale makū, kelepona hoʻokahi kī, hana maʻalahi. Hoʻohana nui ʻia i nā tunnels alaloa, nā tunnels subway, nā tunnels e hele ana i nā muliwai, nā ala eli, nā ala pele a me nā wahi ʻē aʻe i mālama ʻole ʻia e ʻimi i ke kōkua mai nā poʻe o waho i ka wā e loaʻa ai nā pilikia.
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ʻO ka pena noʻonoʻo waho no ke kino, he mea ʻono ke kala, maʻalahi ke loaʻa i kahi pilikia, a ʻaʻole e mae ke kala no nā makahiki he ʻumi
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Kākoʻo i nā kahua he nui
Kākoʻo kēia mīkini i nā kuapo analog, ka protocol SIP, a me nā kūlana uila GSM a me nā kūlana ʻē aʻe he koho..
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Ka manawa hoʻouna: Iulai-25-2023