Engineering, design, business and construction activities.
-central heating including hot water, steam low pressure (NTL) and medium pressure (STL) boiler rooms including hot water
-NTL and STL gas distribution in steel and copper
-waste and sewerage, including domestic wastewater treatment plants (WWTP)
-health technology, including water treatment and preparation of domestic hot water (DHW)
-air engineering and building ventilation
-electrical installation including measurement and regulation (MaR).