Izigxobo ezimnyama zibhekisela kwi-prototype yesigxobo sesibani somgwaqo esingacutshungulwa kahle. Yisakhiwo esakhelwe yinduku ekuqaleni esakhiwa ngenqubo ethile yokubumba, njengokusakaza, ukukhishwa noma ukugoqa, okuhlinzeka ngesisekelo sokusika okulandelayo, ukumba, ukwelashwa komhlaba, nezinye izinqubo.
Izigxobo ezimnyama zensimbi, ukugoqa kuyindlela ejwayelekile. Ngokukhipha kaninginingi imali ekhokhwayo egangeni egayiwe, ukwakheka kwawo nosayizi kancane kancane kushintshwa, futhi ekugcineni ukwakheka kwesigcawu somgwaqo kwakhiwa. Ukugoqa kungakhiqiza umzimba we-pole ngekhwalithi ezinzile namandla aphezulu, futhi ukusebenza kahle kokukhiqiza kuphezulu.
Ukuphakama kwezigxobo ezimnyama kunemininingwane ehlukahlukene ngokwezimo zabo zokusebenzisa. Ngokuvamile, ukuphakama kwezigxobo ezikhanyayo zomgwaqo eceleni kwemigwaqo yasemadolobheni cishe amamitha ayi-5-16. Leli banga lokuphakama lingakhanyisela ngempumelelo umgwaqo ngenkathi ugwema ukuhlasela izakhiwo ezizungezile nezimoto. Kwezinye izindawo ezivulekile njengezigcawu noma izindawo ezinkulu zokupaka izimoto, ukuphakama kwezigxobo zomgwaqo kungafinyelela kumamitha ayi-15- 20 ukuhlinzeka uhla olubanzi lokukhanyisa.
Sizosika futhi sibambe izimbobo esigxotsheni esingenalutho ngokuya ngendawo nenombolo yamalambu afakwe. Isibonelo, usike endaweni lapho kufakwa khona isibani phezulu kwesidumbu se-pole ukuqinisekisa ukuthi indawo yokufakwa kwesibani iyisicaba; Drill izimbobo ohlangothini lomzimba we-pole wokufaka izingxenye ezinjengeminyango yokufinyelela namabhokisi kagesi kagesi.