Amaxabiso e-tungsten aseTshayina azinzile kodwa aqala ukubonisa uphawu lokunyuka kwiveki ephele ngoLwesihlanu kaJulayi 19 njengoko amashishini amaninzi azalisa izinto ezikrwada, enciphisa ixhala lobuthathaka obuzingileyo kwicala lemfuno.

Ukuvulwa kule veki, ibhetshi yokuqala yeqela eliphakathi lokuhlola ukhuseleko lokusingqongileyo elimiswe kwiindawo ezinkulu zokuvelisa i-tungsten.Ukongeza, ibakala lentsimbi licuthwa ngokuthe ngcembe kwaye amashishini okunyibilikisa adityaniswa kunye ukuze kucuthwe imveliso.Kunikwe kunokuba, abathengisi abaninzi bayathandabuza ukuthengisa ngamaxabiso aphantsi.Nangona kunjalo, ummandla osezantsi usenawo umdla ophantsi wokuthenga kunye neefektri zokunyibilikisa zinciphisa imveliso ukuzinzisa unikezelo.Imarike yonke yorhwebo ngoku isephantsi.