Mining World Russia-Russia o taʻutaʻua eliina ma minerale eliina masini, meafaigaluega ma tekinolosi mea, MiningWorld Rusia o se faʻaaliga fefaʻatauaʻiga faʻavaomalo faʻavaomalo o loʻo tautuaina le faʻaaogaina o minerale ma minerale.
Tianjin Longtop Mining Co., Ltd o loʻo tuuto atu e tuʻuina atu masini faʻatauvaʻa ma faʻatauvaʻa i le lalolagi atoa.
Taimi meli: Me-17-2021