Main:0738.04.5 "Installation and operation of internal heating and ventilation systems, sanitary equipment" 0738.04.01.5 "Technician, sanitary equipment, internal installation and adjustment"
0738.04.5 "Installation and operation of internal heating and ventilation systems, sanitary equipment" 0738.04.01.5 "Technician, sanitary equipment, internal installation and adjustment"
Technician, installation and adjustment of internal systems of sanitary equipment, heating and ventilation
