Metals and their technical distribution and production; pyro-, hydro- and
electrometallurgical processes with regard to their environment loading; metals
ecotoxicology, heavy metals in waters, soils, sediments, in the air; the
environmental legislation, the list of wastes and summary of selected
information, international comparison of recycling level; cleaner production
and technology; prevention, the evaluation of cleaner production possibilities;
relationship recycling = cleaner production; IPPC – in metallurgy of Pb, Cu and
Al.