Explanatory notes
… thickness, etc. (e.g., of machined parts, wire, metal goods) ( heading 90.17 or 90.31 ). (c) Instruments for … work (in workshops, building sites, etc.) or to check goods on delivery in warehouses, etc. They may range from … Wear and tear tests . These are carried out on textile goods liable to be exposed to friction (sheets, cloths, …