Iskani niz je bil najden v PREVODIH:
mechanische Abwasserreinigung
en mechanical cleaning of waste water, mechanical effluent purification, mechanical waste water purification, primary treatment
Trinkwasseraufbereitung
en drinking water purification, drinking water treatment, drinking-water treatment, potable-water treatment
Trinkwasseraufbereitungsanlage
en drinking water purification plant, drinking water treatment plant, drinking-water treatment plant, water treatment works
Ultraviolette Wasserreinigungseinheiten
en ultraviolet water purification units