I-5 yeempawu eziNika abaThengi abathembekileyo ukuThengisa nokuThengisa kwakho

UBrett Evans yitalente enkulu yokuthengisa ekuhlaleni kwaye wandicebisa ukuba ndifunde iNtengiso yeChallenger: Ukuthatha uLawulo lweNcoko yabaThengi kwenye yeengxoxo zethu ezininzi zokungabikho kwentengiso kunye nentengiso. Ngokusekwe kuphononongo olupheleleyo lwamawaka eentengiso ezithengiswayo kumashishini amaninzi nakwiijografi, iNtengiso yeChallenger ithi ulwalamano lwakudala luyindlela elahlekileyo, ngakumbi xa kufikwa ekuthengiseni izisombululo ezintsokothileyo, ezinkulu zeshishini-kwishishini. Uphononongo lwababhali lufumene ukuba