Filters and filtering screens as parts of machines; industrial filtering machines, namely, wastewater filtering machines; sifting machines; machine parts, namely filter screens; industrial screening machines, namely, wastewater screening machines; machines for removing solid materials from liquids and sludges; solid-liquid separators; sludge pumps; filtering, separating and sorting machines for processing sludge; filtering, separating and sorting machines for processing waste; cyclone separators; separators [machines]; separators for separating solids from liquid.

Waste water purification filter for industrial or civil installations; water filtering apparatus; filters being parts for water purifying filtering installation; sewage treatment plants; apparatus, machines and installations for mechanical, chemical and/or biological water purification and water treatment; separators for the cleaning and purification of liquids.