Re ts'episa hore hang ha ts'ebeletso ea rona e qala, re tla ba le boikarabello ho isa qetellong. Thepa ea rona e phethahetseng le taolo e ntle ea boleng e sebetsa maemong ohle a tlhahiso.
E le hore re ka netefatsa khotsofalo ea bareki. Ka lihlahisoa tsa boleng bo holimo le litšebeletso tse ntle tsa bareki, marang-rang a rona a thekiso ea lefatše a akaretsa linaha tse fetang 90 tse kang Afrika Boroa, Egepeta, Middle East. Asia Boroa-bochabela le Amerika Boroa.