Harmonized System

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Section XV > Chapter 72 > Heading 7204

Explanatory notes

… and scrap of iron or steel is of a miscellaneous nature and generally takes the form of : (1) Waste and scrap from the … of such articles; such iron or steel waste and scrap is usually prepared by means of the following processes, in … with a view to obtaining a high density product that is fairly clean. (d)  Crushing and agglomeration into …

Section XV > Chapter 73 > Heading 7317

Explanatory notes

… (other than those of heading 83.05) and similar articles , usually manufactured by the following methods : (1) Cold … tacks are made in the same way except that they are sheared obliquely. (2) Forging (by hand or machine) from an iron … Die stamping of the head from a small disc of metal, the previously prepared shank being fixed at the same time. This …

Section XVI > Chapter 84 > Heading 8414

Explanatory notes

… and compressors function on the same principles as and are broadly of similar construction to the liquid pumps (piston, … piston engines to increase power output. Compressors are widely used : for compressing gases into gas cylinders; in …

Section XVI > Chapter 84 > Heading 8411

Explanatory notes

… engines, which are internal combustion engines and do not usually require any external source of heat as does, for … for short periods. These appliances have their own fuel supply and utilise the excess oxygen in the gases issuing … system and passed through the gas expansion turbine, finally exhausting to the atmosphere. (2)   The regenerative …

Section XI > Chapter 63 > Heading 6301

Explanatory notes

… and travelling rugs Blankets and travelling rugs are usually made of wool, animal hair, cotton or man‑made fibres, frequently with a raised pile surface, and generally of thick heavy‑texture material for protection …

Section XVI > Chapter 84 > Heading 8424

Explanatory notes

… stone, composites, rubber, glass, metal). These machines typically operate under pressures of 3,000 to 4,000 bars … Spray guns and similar hand controlled appliances are usually designed for attaching to compressed air or steam lines, and are also connected, either directly or through a conduit, with a reservoir of the …

Section VI > Chapter 28 > Heading 2812

Explanatory notes

… metal salts of hydracids classified in sub‑Chapter V, are actually non‑metal combinations such as : (1) A halogen with … gravity about 3. Decomposed by water; it burns the skin badly. Used in organic synthesis as an iodinating agent. (b) …

Section VII > Chapter 39 > Heading 3921

Explanatory notes

… of plastics.               ‑ Cellular : 3921.11 ‑ ‑ Of polymers of styrene 3921.12 ‑ ‑ Of polymers of vinyl chloride 3921.13 ‑ ‑ Of polyurethanes 3921.14 ‑ ‑ Of regenerated cellulose 3921.19 ‑ … 39.19 or 39.20 or of Chapter 54 . It therefore covers only cellular products or those which have been reinforced, …

Section XVI > Chapter 85 > Heading 8505

Explanatory notes

… electro‑magnets, those electro‑magnet operated appliances specially listed in the heading, permanent magnets and … are recognisable as such by their shape and composition, generally being cubes or discs (tags) of metal or of … clamps and similar holding devices .        These are mainly devices of various types in which magnets are used to …

Section VI > Chapter 28 > Heading 2808

Explanatory notes

… sulphonitric acids. (A) NITRIC ACID Nitric acid (HNO 3 ) is mainly obtained by oxidising ammonia in the presence of a catalyst (platinum, iron, chromium, bismuth or manganese … oxides, etc.). Alternatively, nitrogen and oxygen may be directly combined in an electric‑arc furnace and the …

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