Aleks Aliaksei Vianskovich

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.24.Z - Installation of other building systems

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.35.Z - Performing other finishing construction works