Filters and filtering screens as parts of machines; industrial filtering machines, namely, wastewater filtering machines; sifting machines; rakes being screening machines; machine parts, namely filter screens; industrial screening machines, namely, wastewater screening machines; mechanical rakes being filter screens for use in clarifying installations; machines for removing solid materials from liquids and sludges; solid-liquid separators; separating machines, namely, fat oil and grease separators.

Waste water treatment apparatus; machines and installations for the mechanical purification of waste water; industrial waste water purification plants.

Waste treatment chemicals; Chemical additives for compost; Chemical products for the conditioning of compost; Compost; Bacterial substances for industrial use; Bacterial preparations, other than for medical and veterinary use; Chemical additives

Food waste disposal machines; Waste disposal machines; Machines for the digestion of wastes; Waste converters (machines); Waste compacting machines