Ho laolla ho ka etsoa ka kotloloho ka lijaneng tse fapaneng kapa holim'a lebanta la lipalangoang.Mechini e phatlohang ea li-roller conveyorli sebelisetsoa ho theola le ho theola liprofil, lishiti le masela.Ka ho sebelisa li-cross conveyors, tsamaiso ea li-roller conveyor e ka amahanngoa le mehato ea motho ka mong, e kang ho qhomisa, ho boloka, ho sakha le ho phunya.