recirculation filter, capacity 85 000 m³/hour 2011
recirculation filter, capacity 55 000 m³/hour 2005
recirculation filter, capacity 30 000 m³/hour 2006
recirculation filter, capacity 40 000 m³/hour 2011
boiler house, capacity 1.6 MW 2001
boiler house, capacity 1.5 MW 2006