… - - Halogenated 3825.49 - - Other 3825.50 - Wastes of metal pickling liquors, hydraulic fluids, brake fluids and … are excluded (heading 27.10). (3) Wastes of metal pickling liquors, hydraulic fluids, brake fluids and … the heading excludes ash and residues from waste of metal pickling liquors of a kind used for the recovery of metals …
… It can take on a high polish, but this disappears fairly quickly on exposure to air because of the formation of an … in metallurgy (e.g., in the manufacture of iron, copper, nickel and their alloys), in pyrotechnics, etc. The pure …
… accessories In accordance with Chapter Note 5, measuring or checking optical appliances, instruments and machines are … feeding and positioning workpieces, means of observing and checking the progress of the operation, etc.) and which, …