Kūʻai kūʻai o ka paipu kila pā mānoanoa
ʻO ka paipu kila mānoanoa, ʻo ka paipu kila nona ka lākiō o ke anawaena o waho a me ka mānoanoa o ka pā ma lalo o 20, ua kapa ʻia ʻo ia ka paipu kila mānoanoa. Hoʻohana nui ʻia ʻo ia e like me ka petroleum geological drilling pipe, cracking pipe for petrochemical industry, boiler pipe, bearing pipe, high-precision structural pipe no kaʻa, tractor a me ka mokulele, etc.