Hoʻokaʻawale ʻia nā ʻupena lawaiʻa i nā ʻupena gill, nā ʻupena huki (trawl nets), nā ʻupena puʻu, ka hana ʻupena a me ka hoʻomoe ʻupena.ʻO ka ʻike kiʻekiʻe (ʻāpana o ka nylon mesh) a me ka ikaika, ka hopena maikaʻi o ka hopena, ka pale ʻana i ka abrasion, ka paʻa ʻana o ka nui mesh a me ka palupalu, a me ka elongation māwae kūpono (22% ...
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