Didirišwa tša go hlopha maatlakgogedi di šomišwa kudu ka tšweletšong go hlopha koporo, silifera, thini, tungsten, tantalum, niobium, thaethaniamo, zirconium, ore ya mathomo le di-chromium placer.
Segare se se šomišwago ka go . Jig mochine e ka ba metsi, 'me ha metsi a sebediswa e le ho hlophisa mahareng, e bitsoa haeteroliki jigging.Our jig concentrators ba hlomelloa le pulsating metsi phallo, e leng ntlafatsa karohano nepahalo ka mefuta e fapaneng ya dikopo.