He kuleana koʻikoʻi nā paipu kila ma ka hana o ke kūkulu ʻana, ka lawe ʻana, ka ʻaila, a me ka ʻoihana kemika. Ma waena o lākou, makemake ʻia nā paipu kila ʻole no kā lākou hana maikaʻi loa a me nā kahua noi ākea. DN48 seamless kila paipu, e like me kekahi o nā kiko'ī, ua huki ...
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