Pehea e hoʻolālā ai i ke kiʻi ʻokiʻoki o kēlā me kēia hale niho a me ka hāʻawi ʻana i ka ukana ʻoki o kēlā me kēia niho he mea nui loa ia no ka hoʻomaikaʻi ʻana a me ka holomua ʻana i ka maikaʻi, ka pono a me ke ola mea hana o ke kaula wili.
Hoʻolālā ʻia nā ʻaoʻao niho hoʻokahi (e like me ka drill pipe joint blades) me ka ʻai ʻana a me ka ʻai ʻana i nā pahi like ʻole e hoʻoholo ai i ke ʻano o ka ʻoki ʻana o kēlā me kēia ʻoki ʻoki, ma mua o ka ʻaoʻao niho o ka mea ʻoki.
1. Ka hihia o Yucheng milo oki ana ma ka hope o ka pass hahau: I ka mīkini mea paahana mana a me rigidity ua nui, e lawe hoʻokahi hahau hoʻopau Yucheng thread oki papahana e like me ka maikaʻi hoʻolālā, 'o ia hoʻi hiki maopopo holomua i ka pono, akā, hiki no hoi i ka loa kūpono manao oki kiʻi, ke ola laula holomua. Pono e hoʻomaopopo ʻia inā he pahi a i ʻole ka nui o ka hahau Yucheng thread ʻoki ʻana i ka lau, ʻo ka hope o nā niho kaʻa pololei e hōʻoia i ka pololei o ke ʻano o ka niho, pono e uhi i ke ʻano o ka niho loloa piha a ma nā ʻāpana āpau e loaʻa i ka ʻoki ʻoki kūpono.
2. ʻO ka hihia o ka ʻoki ʻana i ke kaula Yucheng ma hope o nā hala he nui: Inā ʻaʻole hiki i ka mana a me ka rigidity o ka mīkini uwea tow-wire ke hoʻokō i ka ʻoki ʻana o ke kaula Yucheng me ka hahau pass, hiki ke hoʻopau ʻia nā hala he nui wale. I kēia manawa, pono e ʻoki ʻia ka hahau mua i ka ʻaoʻao nui, (ʻoi aku ka nui ma mua o 3 mau niho ma luna o ka lau), no laila ke ʻoki ʻana i ka hoʻolālā kiʻi me ka hoʻokaʻawale huakaʻi mua ma ke kumu. ʻO ka hahau hope ʻana no kēlā me kēia mīkini koʻikoʻi, ʻoi aku ka liʻiliʻi o ka ʻoki ʻana.
No nā kuʻikahi kūʻokoʻa a me nā hāʻawi hou loa, e kākau inoa ma ke komo ʻana i kāu leka uila ma lalo.
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Hoʻohana mākou i nā kuki e hoʻomaikaʻi i kāu ʻike mākaʻikaʻi, lawelawe i nā hoʻolaha pilikino a i ʻole ka ʻike, a me ka nānā ʻana i kā mākou kalepa. Ma ke kaomi 'ana iā "Accept All", 'ae 'oe i ka ho'ohana 'ana i nā kuki.