ʻO ke kahe wai waena, kahi hiʻohiʻona maikaʻi loa me ka ʻōlinolino kiʻekiʻe, ka ikaika tensile kiʻekiʻe, nā waiwai mechanical maikaʻi a me nā mea pale wela, maʻalahi ke hana, a he pōkole ke kaʻina hana hoʻoheheʻe.
Nā noi
Hoʻohana nui ʻia i nā hiʻohiʻona hoʻoheheʻe ʻana i ka injection, kūpono loa no ka hana ʻana a me ka hana ʻana i nā huahana me nā koi ʻōlinolino kiʻekiʻe, a hoʻopili ʻia i nā ʻāpana kūloko a me nā pahu o nā mīkini hale (e like me nā pūpū ea-conditioner), nā ʻāpana kūloko a me nā pahu o nā mea uila mea kūʻai aku, a me nā mea pāʻani.
