Analysis of Warta river reception area pollution in Myszków - Częstochowa region, based on oxygen and biological indicators. Purity level of Warta river water in the analysed area defined on the basis of analysis performed at measurement points. Oxygen and biological indicators were considered.
W artykule przedstawiono zagadnienie związane z wyborem rodzaju obróbki cieplnej drutów: patentowanie, normalizowanie dla uzyskania wysokich własności drutów na liny i obniżenia kosztów wytwarzania.
EN
The paper describes some aspects concerned with selection of wire heat treatment. The processes of patenting and normalizing were tested for obtaining higher quality of the rope wires and cutting production costs.