… hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics). …
Explanatory notes
… hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics). 9024.10 ‑ Machines … for examining the microscopic structure of materials (e.g., metallographic or other microscopes ‑ heading 90.11 or 90.12 …