In-pit crushing and high angle conveying in a .
In-pit crushing and high angle conveying in a Yugoslavian copper mine ... (HAC ®) to lift the ore out of the pit onto an overland conveyor system to the ore processing plant. Design of the HAC and its suitability for the severe requirements at Majdanpek (250 mm [10″] sized copper ore at 4,000 t/h [4,409 st/h] for 93.5 m [307 ft.] of lift at ...