Kukho iintlobo ezimbini zeetanki zokucoca itanki ephezulu. Eyokuqala yitanki emiselweyo yokucoca umlomo. Inelungu elikhulu lomzimba apho kufakwa khona imibhobho emide emininzi elungelelaniswe nemigaqo. Imilomo yemilomo ijolise kwikona ebekiweyo. Tshiza ulwelo macala onke ukucoca itanki. Uncedo lwayo kukuba inokuvelisa umphezulu wokutshiza ofakwe ngokufanayo. Ngenxa yesakhiwo esimiselweyo, akukho lula ukonakalisa, nokuba isitshixo esincinci sonakele, sinokutshintshwa ngokuthe ngqo. Ukungancedi kukuba yiyo kuphela enokucoca iitanki ezincinci. Xa ububanzi betanki bukhulu kakhulu kunobubanzi bemilomo, impembelelo yesitshizi iya kuncipha kwaye umphumo wokucoca uya kuncipha.

Ukujongana neemfuno zokucoca kweetanki ezinkulu-ezinkulu, sayila kwaye savelisa umlomo wokujikeleza wokucoca i-jet. Iphawulwa ngokwazi ukuvelisa amandla eempembelelo kwaye isebenzise amandla okuphendula kwimpembelelo yamanzi ukutyhala umlomo ukuze ujikeleze. Xa umlomo ujikeleza kangangexesha elithile, itanki Udonga lwangaphakathi lwetanki luya kuhlanjwa lucoceke ngumjelo wolwelo oxinzelelo oluphezulu.

Ukuba ufuna ukwazi ngakumbi malunga nolwazi lobuchwephesha bokucoca ityhubhu yoxinzelelo oluphezulu, nceda ukhululeke ukunxibelelana nathi.