Ukuqonda ukubaluleka kwe-4 ePhakamileyo ePhakamileyo

Isitya esi-4 esiqengqelekayo sisiqwenga esibalulekileyo sezixhobo ezisetyenziswa kwishishini lokulungisa isinyithi, ingakumbi ekuveliseni amashiti amancinci kunye neepleyiti. Ngokungafaniyo neendawo zokugaya zemveli, ezihlala ziqulathe imiqulu emibini okanye emithathu, i-4 yokugaya ukuqengqeleka okuphezulu inemiqulu emine emibini emikhulu kunye nemiqulu emibini emincinci. Olu qwalaselo olukhethekileyo luvumela ulawulo olukhulu ngaphezulu kobukhulu bam.