As pits became further—the deepest pits on this planet exceed 800 metres (two,600 ft)—alternate modes of transporting damaged ore and waste rock turned additional widespread. A person of those is definitely the belt conveyor, but on the whole this method needs in-pit crushing of the operate-of-mine product prior to move. https://safe-havenassets56543.thezenweb.com/monetary-policy-an-overview-75867886