API 7-1 ʻAno Hoʻohuli ʻAno ʻUli Kaula Lawaiʻa Magnet
ʻO ka Magnekini Lawaiʻa Drill String kekahi o nā mea hana kōkua e hōʻoia i ka hana ʻeli maʻamau a me ka hoʻomaʻemaʻe ʻana i ka lua lalo i ke kaʻina hana o ka mālama ʻana i nā ulia pōpilikia ma lalo o ka lua. ʻO kēia huahana e hana pū ana me nā kāmaʻa wili i ka hana lawaiʻa, he ʻokoʻa ia mai ke ʻano hana mua o ka hāpai ʻana i ka wili ma hope o ka wili ʻana, a laila e hoʻopili i ke kaula wili me ka mea hana lawaiʻa magnetic ikaika e iho i lalo i ka lua no ka hoʻomaʻemaʻe ʻana i ka lua lalo, e mālama ana i kahi huakaʻi i lalo i ka hana lua, ʻaʻole wale ia e mālama i ke kumukūʻai wili, akā mālama pū i ka manawa hana lawaiʻa.