Residential Construction, Commercial Construction, Dwelling House / Mansion Construction, Rebuilding / Remodeling, Water Supply / Sewage Work - Indoor / Plumbing, Water Supply / Sewage Work - Outdoor, Melioration Systems, Electrical Work / Indoor, Electrical Work / Outdoor, Wind Power Plants, 03.04. Residential / Commercial and Industrial Buildings, Category 2 (03.04), 03.05. Power Supply (Internal and External Power Supply and Lighting Networks / Power Supply Systems / Photovoltaic and Wind Power Plants), Category 3 (03.05), 03.07. Hydraulic Structures, Category 2 (03.07), 03.08. Water Supply and Drainage / Melioration Systems, Category 2 (03.08)