Umashini wezitini we-hydraulic ngokuyinhloko usebenzisa umlotha wezindiza, isihlabathi somfula, impuphu yamaminerali, i-slag, impuphu yetshe, i-coal slag, i-coal gangue, i-tailing slag, i-chemical slag, njll. njengezinto eziyisisekelo. Ungenza izitini ezingashi, izitini ezingavuthiyo, izitini ezinemingcele, izitini zemigwaqo ezinemibala, njll.