F.H. SYLWIA NOWAK

42.21.Z - Works related to the construction of transmission pipelines and distribution networks

25.11.Z - Production of metal constructions and their parts

25.21.Z - Production of central heating radiators, steam generators, and boilers

25.51.Z - Coating of metals

25.52.Z - Heat treatment of metals

25.53.Z - Mechanical processing of metal parts

33.14.Z - Repair and maintenance of electrical devices

42.99.Z - Works related to the construction of other civil engineering and water engineering objects, not classified elsewhere

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.21.Z - Installation of electrical systems

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

43.23.Z - Installation of insulation

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

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

43.34.Z - Painting and glazing

43.35.Z - Performing other finishing construction works

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.99.Z - Other specialized construction works, not classified elsewhere

71.20.C - Other technical testing and analysis

81.10.Z - Auxiliary activities related to maintaining buildings

81.21.Z - General cleaning of buildings