A series experimenta ad parva fluctus a ly MC commoti mensa est amicientes experimentum apparatu, quam Ordinarius fluctus lectum superficiem lectum magnitudine est parva, ut in intus est in eodem fluctus, ad eligere non II - 0.02 mm et valuable level,W,Sn,Ta,Nb,Fe,Mn,Cr,Ti,Bi,Pb,Au And other non-ferrous, black, rare metals mineral, Choose don't 4-0.02 millimeters pyrite, After the appropriate type change bed coal and coal slime choose don't end, And sorting other have enough proportion difference and partical size appropriate mix materials.Can choose to choose, and Saul roughing, select different assignments,Choose don't roving 2-0.5 mm, 0.5 ~ 0.074 mm yarns.basi, exploratory experimentum - 0.074 mm, et sic in diversis grandi gradu, fluctus lectum est genus in gravitate locupletantes Ratio est princeps, eligere non altum efficientiam, tailings facilius, ut non tales in tailings tailings talis distincta, potest ad ultima tailings semel talis distincta.