1. Ka laulā o nā noi: Hoʻohana ʻia nā huahana i ke kaupaku, ka pā a me nā huahana ʻupena o nā lumi maʻemaʻe, nā mea kanu ʻoihana, nā hale kūʻai, a me ka pale ʻana i ka ea.
2. Nā waiwai kino a me nā kemika maikaʻi: ʻO ka ʻili kila o ka aniani magnesium panel i hana ʻia me ka polyester baking coating a i ʻole zinc coating, stainless steel panel, no laila maikaʻi loa ke kūpaʻa corrosion;ʻO nā mea hoʻopiha piha o ka huahana he mau mea pale ahi a pau, ʻaʻole e wela i ka wā e ʻā ana.Hoʻoheheʻe ʻia a ʻaʻohe kiʻekiʻe wela decomposition a kulu.ʻO ia kahi papa hana hoʻonaninani hale pale ahi kiʻekiʻe ma Kina.Loaʻa ka ikaika kiʻekiʻe o ka huahana, ka hopena hopena a me ke kū'ē i ka haʻalulu.
3. ʻO ka hana kūpono a me ka hoʻokomoʻana: Ua hana limaʻia nā huahana a pau, a hiki ke hanaʻia me ka lōʻihi paʻa a me ka laulā e like me nā koi o ka papahana.ʻAʻole hiki i ka hoʻohui hui ke hoʻemi nui i ke kumukūʻai o ka ʻenekinia kumu a me ka ʻenekinia hoʻolālā o ka hale, akā hiki ke hoʻokaʻawale ʻia a hui pū ʻia no nā manawa he nui i ka wā o ke kūkulu ʻana a me ka hoʻonohonoho ʻana.ʻO ka maʻalahi, nā pōmaikaʻi piha he mea nui loa.