Ngethuba lokuqulunqa imibhobho yensimbi ye-spiral, ipleyiti yensimbi ikhubazekile ngokufanayo, uxinzelelo olushiyekileyo luncinci, kwaye akukho mikrwelo phezu komhlaba. Umbhobho wentsimbi ojikelezayo owenziweyo unokuguquguquka okukhulu kububanzi kunye nobubanzi bodonga, ngakumbi xa uvelisa umgangatho ophezulu ...
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