Bungwe la US Occupational Safety and Health Administration latenga malamulo atsopano oteteza ogwira ntchito kuti asakhudzidwe ndi silika wopumira (wopumira) wa crystalline, monga fumbi la pansi lopangidwa ndi diamondi.Malamulowa ali ndi zovomerezeka mwalamulo komanso zogwira mtima.Kugwira ntchito pa Seputembara 23, 2017.
Lamuloli limafuna kuti mugwiritse ntchito njira zinazake za kayendedwe ka mpweya ndi kusefera mukamagwiritsa ntchito chopukusira pansi chokhala ndi zotsukira zotsukira m'mafakitale.Ndipo zotsuka zathu zamtundu wa TS zimakwaniritsa lamulo ili ndi miyezo, yokhala ndi mapangidwe okongola komanso mawonekedwe olimba, opereka chitsimikizo chabwino pantchito ya ogwira ntchito.
Nthawi yotumiza: Jun-04-2018