ʻO ke ao holoʻokoʻa o nā paipu kila welded: he hiʻohiʻona piha I ke kūkulu ʻana a me ka hana ʻana, ua lilo ka paipu kila welded i mea pōhaku kihi, e hui pū ana i ka ikaika, ka lōʻihi a me ka versatility. Hana ʻia kēia mau paipu ma ke kuʻi ʻana i nā papa kila palahalaha a i ʻole nā ʻāpana kila, e hopena i kahi pr...
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