Isifo sokusha kwesibindi kohlobo B esingamahlalakhona siyisifo esibi kakhulu, esithena amandla esingabangela ukusha kwesibindi, umdlavuza wesibindi nokufa. Isifo sokusha kwesibindi kohlobo B esiyimbangela eyinhloko yomdlavuza wesibindi futhi siyimbangela yeshumi yokufa okuhamba phambili emhlabeni wonke.Abantu abaningi balwa nalesi sifo ngokwabo, kodwa cishe amaphesenti angu-5-10 alabo abangenwe yileli gciwane baba abathwali, kanti amaphesenti angu-5-10 engeziwe alabo abangenwa yileli gciwane unyaka ngamunye azothuthukela ekuguleni kwesibindi okungamahlalakhona, isifo sokusha kwesibindi kanye ngokunokwenzeka nomdlavuza wesibindi.