Isithiyo somsindo womgwaqo onguthelawayeka sakhiwe ngokuyinhloko ikholomu yesakhiwo sensimbi kanye nokumuncwa komsindo kanye nephaneli yokuhlukanisa.Ikholomu iyingxenye eyinhloko ethwala ukulayisha yesivimbelo somsindo, esigxiliswe odongeni olunqanda ukushayisana komgwaqo noma ipuleti lensimbi elishumekiwe eduze kwethrekhi ngamabhawudi noma ngokushisela;Ibhodi elimunca umsindo nelimunca umsindo liyingxenye eyinhloko emunca umsindo, egxilwa kusikhala sekholomu esimise okuka-H ngesiqeshana sentwasahlobo esinamandla amakhulu ukuze sakhe umgoqo womsindo.