Harmonized System

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Section VI > Chapter 28 > Heading 2815

Explanatory notes

… heading 28.36 ). Sodium hydroxide is obtained, for example, by causticising sodium carbonate with milk of lime or by electrolysing sodium chloride. It may be presented as an … uses : preparation of certain chemical wood pulps by elimination of the lignin, manufacture of regenerated …

Section XI > Chapter 56 > Heading 5607

Explanatory notes

… heading covers twine, cordage, ropes and cables, produced by twisting or by plaiting or braiding. (1)   Twine, cordage, ropes and … which has been more or less completely split into filaments by twisting. (2)   Plaited or braided twine, cordage, ropes …

Section XVI > Chapter 85 > Heading 8517

Explanatory notes

… or other sounds, images or other data between two points by variation of an electric current or optical wave flowing in a wired network or by electro-magnetic waves in a wireless network. The signal … flow of current from the network. It is usually operated by the hand-set being removed from or returned to a cradle. …

Section XVI > Chapter 84 > Heading 8486

Explanatory notes

… polishers (CMP) , which flatten and polish a wafer by combining chemical removal with mechanical buffing. (B) … form a “film” of oxide on the wafer. The oxide is formed by the chemical reaction of the top molecular layers of the … , which deposit various types of films which are obtained by combining the appropriate gases in a reactant chamber at …

Section XVI > Chapter 84 > Heading 8454

Explanatory notes

… steel, or smelting copper or nickel mattes, galena, etc.) by subjecting the materials, previously melted or brought to … temperature in a furnace, to a strong current of oxygen; by this action most of the carbon and dissolved elements … of refractory material.  The oxygen is brought in either by a lance from above (LD-converters (Linz-Donawitz)) or …

Section XIV > Chapter 71 > Heading 7104

Explanatory notes

… and crystal structure as a particular natural stone (e.g., ruby, sapphire, emerald, diamond, piezo-electric quartz); or …

Section VI > Chapter 38 > Heading 3803

Explanatory notes

… black liquor left over from the manufacture of wood pulp by an alkali process or, more particularly, by the sulphate process. When this liquor is poured into … to the nature of the wood. Refined tall oil may be obtained by distilling crude tall oil under very low pressure …

Section XI > Chapter 56 > Heading 5605

Explanatory notes

… combined with metal thread or strip , whether obtained by a process of twisting, cabling or by gimping, whatever the proportion of the metal present. The gimped yarns are obtained by wrapping metal thread or strip spirally round the textile …

Section XVI > Chapter 84 > Heading 8432

Explanatory notes

… etc.). * *    * The machines of this heading may be hauled by an animal or by a vehicle (e.g., a tractor), or may be mounted on a … “single axle tractor”.) Machines designed to be hauled by, or mounted as interchangeable equipment on a tractor. …

Section VI > Chapter 29 > Heading 2914

Explanatory notes

… > C=O), so‑called “carbonyl” group, and can be represented by the general formula (R-CO-R 1 ), in which R and R 1 stand … and crude pyroligneous acid), but is mainly obtained by synthesis. Colourless liquid with an agreeable ether‑like … ketone) (CH 3 COC 2 H 5 ). Colourless liquid found in the by‑products of the distillation of alcohol from beet …