Isebenzisa isakhiwo sekholamu ezine esinesitishi esinye okanye ezimbini kwaye kulula ukuyisebenzisa i-HMI.Ukuphakama kwesikhunta okulungisekayo kwandisa isivuno sesanti.Uxinzelelo lokukhupha kunye nesantya sokwenza izinto zinokutshintshatshintsha ukuvelisa iimoldi ezinobunzima obahlukeneyo.Umgangatho wokubumba ufikelela kwinqanaba eliphezulu xa kusenziwa i-hydraulic extrusion enoxinzelelo oluphezulu.