Waste water treatment plant AT 750 oval thermal swimming pool visitors.
Waste water treatment plant AT 350 oval for school and apartment buildings.
Wastewater treatment plant AT 500 oval agricultural cooperative.
Wastewater treatment plant AT 150 oval iPS in Žiarská dolina (in the Tatra National Park).
Waste water treatment plant AT 40 oval sports complex.
Wastewater treatment plant AT 100 oval for a supermarket.
Wastewater treatment plant AT 100 oval for a warehouse.
Waste water treatment plant AT 120 oval for school.
Wastewater treatment plant AT 120 oval for a hotel.
Sewage treatment plant AT 125 oval iPS for condominium.
Sewage treatment plant AT 250 oval highway rest stop.
Tertiary ATF wastewater treatment.
AT350 oval wastewater treatment plant for condominium in Aruba with water recycling for irrigation.