Wozãa nuheŋusẽ ƒe vovototodedeameme dɔwɔnuwo le ewɔwɔ me geɖe tsɔ ɖoa akɔbli, klosalo, tin, tungsten, tantalum, niobium, titanium, zirconium, gbãtɔ ore kple chromium placers.
medium si wozãna le . JIG mɔ̃ ateŋu anye tsi, eye ne wozã tsi abe sorting medium ene la, woyɔnɛ be hydraulic jigging.Míaƒe jig concentrators nye tsi si le ʋuʋum, si naa mama ƒe nyateƒetoto nyona ɖe edzi le dɔ vovovowo wɔwɔ me.