Umatshini uhlengahlengiswa ngokulinganayo ngokukhupha isikhumba esilukhuni kwaye uthambile kubungqingqwa obufunekayo kwishishini leemveliso zesikhumba, ububanzi be-420mm kunye nobungqingqwa be-8mm. Ingakwazi ukulungelelanisa ubungqingqwa bokwahlulahlula iziqwenga zokuphucula umgangatho weemveliso kunye namandla okhuphiswano lweemarike.