Definition of item:
This subcategory includes: - testing and analysis services of a technical or scientific nature that do not alter the object being tested - radiographic, magnetic and ultrasonic testing of machine parts and structures in order to identify defects. These tests are often conducted on site. - certification of ships, aircraft, dams, etc. - certification and authentication of works of art - radiological inspection of welds - analysis services of police laboratories - all other technical testing and analysis services not elsewhere classified
This subcategory excludes: - assessment of damages services on behalf of insurance companies, see 66.21.10 - technical inspection services for automobiles, see 71.20.14 - medical analyses and testing services, see 86.90.15
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