Installation in buildings or in other projects of building of: heating systems by electricity, gas and fuel, boilers, materials and pipes for ventilation and air conditioning, etc.
Work of general installation
Wholesale trade of bathroom facilities: baths, sinks, wcs, etc.
Production of radiators and boilers used in central heating
Wholesale in common building materials
Do-it-yourself businesses and d.i.y. shops of common building materials
Plumbing works
Installation of heating, air-conditioning and ventilation
Wholesale in electronic materials, inclusive of material for installation