Test and analyses on texture, physical characteristics, performances, compliance with reglements and standards or specifications of materials, products, installations, etc.
Test or analyses in laboratories for testing the running, the ageing or the security of materials and installations
Measurements concerning clean air and water, measurement of radioactivity or similar phenomenons, analysis of the potential sources of pollution (smoke, sewage, etc.)
Control of estimates of pieces of building
Engineers and similar technical advisors, with the exception of surveyors