Commercial Building Renovation / Finishing, Industrial / Heavy Civil Facilities Renovation / Finishing, 04.04. Residential / Commercial and Industrial Buildings, 04.05. Power Supply (Internal and External Power Supply and Lighting Networks / Power Supply Systems / Photovoltaic and Wind Power Plants), 04.06. HVAC / Gas Supply, 04.07. Hydraulic Structures, 04.08. Water Supply and Drainage / Melioration Systems, 04.09. Transportation Structures and Highways (Roads and Railways / Airports / Bridges / Tunnels / Overpasses / Retaining Walls etc.), 04.10. Communication Systems (Telecommunication and Signaling Systems / Transmitters / Receivers / Antennas / Amplifiers)

High-Rise Construction, Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Heating Systems Installation, Ventilation Systems Installation, Air-Conditioning Installation, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Residential Renovation / Finishing, Commercial Building Renovation / Finishing, Industrial / Heavy Civil Facilities Renovation / Finishing, 03.04. Residential / Commercial and Industrial Buildings, Category 1 (03.04), 03.06. HVAC / Gas Supply, Category 3 (03.06), 03.07. Hydraulic Structures, Category 3 (03.07), 03.08. Water Supply and Drainage / Melioration Systems, Category 3 (03.08)