Ngokugcina isiporo sokhuseleko sebhedi ecaleni kwebhedi, ungonwabela ubuthongo obumnandi, ukhuselekile kulwazi lokuba awuzuqengqeleka okanye uphume ebhedini ngelixa ulele.Uninzi lweereyile zokhuseleko lwebhedi zomelele ngokugqithisileyo kwaye zinokuhlengahlengiswa ukuze zilingane nayiphi na isayizi yebhedi.