Umatshini ulungelelaniswe ngokulinganayo ukwahlula ulusu oluqinileyo kunye noluthambileyo kubunzima obufunekayo kwishishini lemveliso yesikhumba, ububanzi bayo buyi-420mm kunye nobukhulu bayo buyi-8mm. Inokuthi ilungelelanise ubuninzi beeqhekeza eziqhekezayo ukuphucula umgangatho weemveliso kunye namandla okukhuphisana kweemarike.