Hoʻopili ʻia ke ola o kahi crane semi-gantry e nā ʻano like ʻole, me ka hoʻolālā ʻana o ka crane, nā ʻano hoʻohana, nā hana mālama, a me ke kaiapuni hana. ʻO ka maʻamau, hiki i kahi crane semi-gantry mālama maikaʻi ke ola mai 20 a 30 mau makahiki a keu paha, d...
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