PIOTER Piotr Legiejew

43.35.Z - Performing other finishing construction works

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

43.24.Z - Installation of other building systems

43.41.Z - Performing roof structures and coverings

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

71.20.C - Other technical testing and analysis

85.59.D - Other non-school forms of education, not classified elsewhere