Installation services, including carpentry, roofing, masonry, plastering, masonry, painting, drying and insulating of buildings, hydraulic, heating and air-conditioning installation, pipeline construction and maintenance, repair and renovation of buildings, construction of new buildings, demolition of buildings, building construction supervision, construction information, excavation, earthworks, rental of construction equipment, boiler cleaning and repair, rebuilding and repair of worn machines, furniture maintenance and restoration, cabinet making, upholstering
Az ellenőrzésért felelős személyeknek rendelkezniük kell a következőkkeltmClass tmClass