Iskani niz je bil najden v PREVODIH:
Klärschlammverwertung
en sewage sludge utilisation, utilisation of sewage sludge
Primärschlamm
en primary sewage sludge, primary sludge, raw sludge, sewage sludge, undigested sludge, waste activated sludge
Rückstand
en arrear, arrearage, back block, back log, backlog, build-up, delay, lag failure, lag, lagged time, neglect, refuse, remain, remainder, remnant, residual fuel oil, residual material, residual matter, residual oil, residual product, residue of combustion, residue, residues, residuum, rest, sediment, sewage sludge, tailings Residue of low metal content, technological gap, time lag