… Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical …
Explanatory notes
… Chapter 90 Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical … scientific purposes (laboratory research work, analysis, astronomy, etc.), for specialised technical or industrial … which refer to a particular science, industry, etc. (e.g., astronomical instruments of heading 90.05, surveying …Legal note
… the organ to be supported or held derives solely from their elasticity (for example, maternity belts, thoracic support … in heading 90.21; (g) Pumps incorporating measuring devices, of heading 84.13; weight‑operated …