Explanatory notes
… - - Of a thickness of less than 0.5 mm 7209.90 - Other The provisions of the Explanatory Note to heading 72.08 apply, … hardening, tempering, case‑hardening, nitriding and similar heat treatments to improve the properties of the … (5) Stamping, punching, printing, etc., with simple inscriptions, such as trademarks. (6) Cutting into …