Kuba umgangatho wezihlanganisi zombhobho wamkela inkqubo yase-Bhritane okanye yaseMelika, uhlobo oluqhelekileyo lomsonto ebaleni yombhobho ngumsonto wombhobho waseBritane (BSPT) okanye umsonto wombhobho waseMelika (NPT).

Ewe kunjalo, ungakhankanya nomsonto wombhobho, njengomsonto weetriki. Ngexesha lokulungiswa kweemveliso zethu, ukuhlolwa komsonto kungqongqo kakhulu. Zonke izinto ezichaziweyo zinemilinganiselo esemgangathweni yeeplagi zokulinganisa, ke ukuba uqinisekisa imisonto esemgangathweni yokuqhagamshelwa kombhobho wakho, imisonto esiyenzayo inokuhlangabezana ngokuqinisekileyo neemfuno zakho.