Szukana fraza: [Abstract = "The wastes \(sludges, drosses, slags\) produced during pyrometallurgical process of zinc and lead production of Zinc Plant \"Miasteczko Śląskie\", contain a lot of metals and may havea potentialimpacton the environment. During depositing of the wastes, toxic elementscontained inthem, may be released into the water environment, causing its pollution."]