Hydraulic Engineering Construction, Water Treatment, Natural Gas Supply, 01.05. Power Supply (Internal and External Power Supply and Lighting Networks / Power Supply Systems / Photovoltaic and Wind Power Plants), Category 2 (01.05), 01.07. Hydraulic Structures, Category 2 (01.07), 01.08. Water Supply and Drainage / Melioration Systems, Category 1 (01.08), 02.08. Water Supply and Drainage / Melioration Systems, Category 1 (02.08), 03.07. Hydraulic Structures, Category 2 (03.07), 03.08. Water Supply and Drainage / Melioration Systems, Category 1 (03.08), 05.11. Engineering Geological Survey, Category 2 (05.11), 05.12. Buildings and Structures Technical Condition Survey And Certification, Category 2 (05.12)