recirculation filter, capacity 22 000 m³/hour 2003
recirculation filter, capacity 60 000 m³/hour 2005
recirculation filter, capacity 55 000 m³/hour 2010
recirculation filters, capacity 95 000 m³/hour and 65 000 m³/hour 2014
boiler house, capacity 1.2 MW 1996
boiler house, capacity 1.2 MW 1998
boiler house, capacity 1.0 MW 2014
