ProAir System Krystian Szerle

43.22.Z - Plumbing, heat and air-conditioning installation

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical equipment

33.20.Z - Installation of industrial machinery and equipment and outfit

43.21.Z - Electrical installation

43.39.Z - Other building completion and finishing

45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles

85.59.B - Other out-of-school forms of education, not elsewhere classified

95.22.Z - Repair and maintenance of household appliances and home and garden equipment