WZ 71.20.0—Technical testing and analysis

Where 71.20.0 sits

1. N Professional, scientific and technical activities
2. 71 Architectural and engineering activities; technical testing and analysis
3. 71.2 Technical testing and analysis
4. 71.20 Technical testing and analysis
5. 71.20.0 Technical testing and analysis

What 71.20.0 includes

• Conducting physical, chemical and other analytical investigations of materials and products of all kinds, e.g. • Acoustic and vibration testing • Analysis of the composition and purity of minerals • Food hygiene testing, including testing and control related to food production (e.g., examinations of animals before slaughter) • Testing of the physical properties and performance characteristics of materials (e.g., strength, thickness, durability, radioactivity) • Suitability and reliability testing • Performance testing of complete machines: engines, motor vehicles, electronic systems, etc. • X-ray examination of welds and joints • Failure analysis • Investigation and measurement of environmental indicators: air and water pollution, etc. • Fuel quality testing
• Certification of products or preparation of test reports, including consumer goods, motor vehicles, aircraft, pressure vessels, nuclear power plants, etc.
• Periodic roadworthiness tests of motor vehicles
• Investigations using models (e.g., of aircraft, ships, dams)
• Operation of police and forensic laboratories
• Activities for the origin and quality assessment of products
• Inspections of ventilation shafts, water and gas lines that are not associated with repairs or installations.

What 71.20.0 excludes

• Inspections of air, water, and gas lines in connection with repairs or installations, see Section F
• Sampling and weighing in the context of cargo handling, see 52.25.0
• Penetration testing of computer systems, ethical hacking, and cybersecurity, see Division 62
• Consulting activities for obtaining certification, carried out by companies or professionals, see 70.20.0
• DNA sequencing for general research on biological processes, see 72.10.1
• Examination of animal specimens for hygiene purposes and not related to food production, see 75.00.9
• Diagnostic imaging, examination, and analysis of medical and dental specimens, see Division 86
• DNA sequencing for the exclusion or cure of a specific disease, see 86.91.2

71.20.0 in other systems