Enrichment of manufactured waste at the AMMC copper processing factory in Uzbekistan Dilmurod Makhmarezhabov, Javlon Bekpulatov, Gulnarakhon Salizhanova, Sevara Amindjanova, Zarina Abdurasulova and Shakhnoza Rasulova E3S Web Conf., 497 (2024) 02039 Published online: 07 March 2024 DOI: 10.1051/e3sconf/202449702039