35
Services of an economist and of an auditor, all the aforesaid services not for the housing sector
41
Providing of training in the field of technology, in particular safety technology, quality assurance and quality control for industry, household and leisure, environmental protection, medical and energy technology, heating technology, biotechnology, all the aforesaid services not for the housing sector
42
Engineering, physics, chemistry, biology, medical, psychology services; auditing, assessment, testing, certification of quality, environmental and safety management systems; assessment, research, testing, certifying, monitoring in the field of technology, in particular safety technology and quality assurance for household and leisure, environmental protection, medical and energy technology, heating technology, biotechnology; assessment, research, testing, monitoring in the field of transport, environmental protection, medical technology, energy technology and heating technology, all the aforesaid services not for the housing sector