ʻO ka paipu kila maʻemaʻe he ʻano pōʻai, huinaha a me ka ʻāpana ʻāpana me ka ʻāpana ʻāpana a ʻaʻohe hui a puni. ʻāpana mana waena a hoʻohana nui ʻia e like me ka pipeline no ka lawe ʻana i ka wai.Ke hoʻohālikelike ʻia me ke kila paʻa e like me ke kila poepoe, ʻo ka paipu kila he like ke kulou a me ka ikaika torsional a ʻoi aku ka māmā.He kila pauku waiwai.Hoʻohana nui ʻia ia i ka hana ʻana i nā ʻāpana hana a me nā ʻāpana mechanical, e like me ka paipu ʻaila hinu, ka pahu hoʻoili kaʻa, ka pahu kaʻa a me ka paipu kila i hoʻohana ʻia i ke kūkulu ʻana.