E hoʻoikaika i ka launa pū ʻana me nā ʻoihana o lalo e like me nā kaʻa, nā mea hana hale a me ka hana moku, e hoʻolalelale i ka R&D a me ka hana ʻana o nā huahana papa kiʻekiʻe e like me nā papa kaʻa, nā pā hale a me ke kila silika, e hoʻonui hou i ka mākeke kila no nā kiʻekiʻe- hoʻopau i nā panela kaʻa a me nā kaʻa ikehu hou, a kūkulu i ka pūʻulu hana o nā papa waiwai kiʻekiʻe e like me nā papa i ʻōwili ʻia, nā papa i uhi ʻia a me nā papa i uhi ʻia.Hoʻomohala ikaika i nā hale kūkulu kila, kākoʻo i nā ʻoihana e hoʻomohala ikaika i nā huahana kiʻekiʻe me ka ikaika hana kiʻekiʻe, ka pale ʻana i ka corrosion a me ke kūpaʻa haʻahaʻa haʻahaʻa, a kūkulu pū i kahi kahua hana kila me nā ʻano like ʻole a me nā kikoʻī piha e like me ka H-section steel, angle steel. , ke ala ala a me ka puʻu pepa kila.Paipai i nā ʻoihana hana uea a me ka bar e hoʻokō i ka R&D a me ka hana ʻana i nā pahu kila i ʻōwili ʻia ma luna o 500 MPa, alakaʻi i ka hoʻonui ʻana i ka huahana, hoʻoikaika i ka hana hou ʻana o nā pahu kila a me nā huahana uea, a hoʻomohala i nā huahana kila maikaʻi loa e like me ke kila a me ke kila kila.