Litheko tsa tungsten tsa China li lula li le maemong a holimo haholo a tšehetsoeng ke kholiseho e ntlafetseng ea 'maraka, litšenyehelo tse phahameng tsa tlhahiso le phepelo e thata ea thepa e tala. Empa bahoebi ba bang ha ba ikemisetse ho rekisa ka theko e phahameng ntle le ts'ehetso ea tlhokahalo, 'me kahoo litšebelisano tsa sebele li fokotsehile, li arabela ka tlhokahalo e thata. Ka nako e khuts'oane, 'maraka oa sebaka o ne o tla tsoelapele ho ba le litheko empa ha ho thekiso.

Ka mor'a matsatsi a phomolo a Letsatsi la Sechaba, basebetsi ba merafong le lifeme tse qhibilihisang metsi ba khutlela mosebetsing butle-butle, ba e-na le tšusumetso kamanong pakeng tsa phepelo le tlhokahalo. 'Maraka hona joale ha o hlake. Ho emela litheko tse holimo ho rekisa kapa ho ntlafatsa tlhokeho ea 'maraka ho tla eketsa litheko, empa ho ke ke ha boleloa esale pele hore na ke mang ea tla nka bohato ba ho etsa litheko tsa sehlahisoa. Mathoasong a Mphalane, bankakarolo ba mebaraka ba tla emela litheko tse ncha tsa tataiso ho tsoa mekhatlong, maano a ts'ireletso ea tikoloho le lipuisano tsa linaha tse peli tsa moruo le khoebo.