zero iyantlukwano ngokwenkcubeko
Olu vavanyo alunamibuzo ekwimo yesicatshulwa, kuphela lulandelelwano olunengqiqo olumelwe ziisimboli zegraphical. Abantu bobudala obahlukeneyo kunye nemvelaphi yenkcubeko banokusetyenziswa, ebonisa ukuthandwa kovavanyo.