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Originally posted by mythatsabigprobe
Merka
The 'wings' could be chutes that direct the ore behind the machine - that's how we do it on earth using conveyors to control the feed into trucks. One is elevated and that could be to blow the overburden and boulders away until they get deeper into the ore.
One is elevated and that could be to blow the overburden and boulders away until they get deeper into the ore.