Uvavanyo loxinzelelo lwe Tower
Uvavanyo loxinzelelo lweTower yindlela yokugcina umgangatho, injongo yovavanyo kukuseka inkqubo yovavanyo loxinzelelo ukuze kuqinisekiswe ukhuseleko lomgangatho wemveliso ngoxinzelelo olufunyenwe ngexesha lokusetyenziswa okuqhelekileyo okanye ukusetyenziswa ngokufanelekileyo okulindelweyo, umonakalo kunye nokusetyenziswa kakubi kwemveliso.
Uvavanyo lokhuseleko lwenqaba yentsimbi luvavanyo olubanzi lokhuseleko lwenqaba yentsimbi ngophando, ukufumanisa, uvavanyo, ukubala kunye nohlalutyo ngokwemigaqo yoyilo lwangoku. Ngovavanyo, sinokufumanisa amakhonkco abuthathaka kwaye sityhile iingozi ezifihliweyo, ukuze sithathe amanyathelo ahambelanayo okuqinisekisa ukhuseleko lokusetyenziswa kwenqaba.