Pākuʻi ʻohu
Hoʻokumu pinepine ʻia nā ʻāpana ʻelua mai nā ʻano mea kiʻekiʻe - maikaʻi loa, i koho ʻia e pili ana i nā koi o ka noi no ka ikaika, ka lōʻihi, a me ka pale ʻana i ka corrosion. ʻO ke kila kalapona kekahi o nā mea maʻamau i hoʻohana ʻia, ʻoi aku ka nui ma nā māka e like me 4.8, 8.8, a me 10.9.