Harmonized System

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Section XVI > Chapter 84 > Heading 8456

Explanatory notes

… on semiconductor materials. Examples of the foregoing products are (1) laser-beam machine tools which drill …

Section XVI > Chapter 84 > Heading 8411

Explanatory notes

… system, a turbine and a nozzle, which is a convergent duct placed in the exhaust pipe. The hot pressurised gas … through concentric shafting. Another variation is to add a ducted fan usually at the inlet to the compressor and drive … the gases issuing from the turbo-jet. (B) TURBO-PROPELLERS Such engines are similar to turbo-jets, but have a further …

Section VI > Chapter 35 > Heading 3504

Explanatory notes

… obtained from hair, nails, horns, hoofs, feathers, etc. (5) Nucleoproteids , being proteins combined with nucleic acids, and their derivatives. Nucleoproteids are …

Section XVII > Chapter 88 > Heading 8805

Explanatory notes

… gear, generally used on board ships, incorporates a metal structure which guides the aircraft to be launched. The … used on aircraft carriers and at some aerodromes, serves to reduce the speed of an aircraft at the moment of landing, in … The heading does not , however, cover other equipment, such as safety equipment (nets, for example). (C)   Ground …

Section XIII > Chapter 68 > Heading 6814

Explanatory notes

… merely rifted and trimmed (e.g., cut to shape), and also products consisting of agglomerated (bonded) mica or pulped … books as mined fall in heading 25.25 . The heading covers products obtained by cutting such sheets and splittings. Since they are obtained with a …

Section XVI > Chapter 85 > Heading 8546

Explanatory notes

… for the fixing, supporting or guiding of electric current conductors while at the same time insulating them … the formation of deposits of non‑insulating materials, such as water, salts, dusts, oxides and smoke. Insulators … grooved, cylinder or other shapes. Certain types are constructed in such a way that when in position they may …

Section XX > Chapter 95 > Heading 9508

Explanatory notes

… amusements, notwithstanding that when presented separately such items (e.g., tents, animals, musical instruments, power … solely or principally for use as parts and accessories of such amusements (e.g., boats for swings and water‑chutes), … designed patterns, sometimes with one or more inversions (such as vertical loops). Roller coasters may have single …

Section XV > Chapter 72 > Heading 7202

Explanatory notes

… it remains in this heading. The heading also covers products of this type previously reduced to granules or powder and agglomerated into … (e.g., ferro‑manganese or ferro‑silicon) can be produced in blast furnaces, they are more usually prepared …

Section XIII > Chapter 70 > Heading 7009

Explanatory notes

… dilute ammoniacal solution of silver nitrate (mixed with a reducing solution based on potassium sodium tartrate or invert sugar) is used. These products are poured on to the surface of the glass after it has been scrupulously cleaned. The reduction of the silver salts forms a lasting and brilliant …

Section VI > Chapter 28 > Heading 2815

Explanatory notes

… solid. Evaporation of the sodium hydroxide aqueous solution produces solid sodium hydroxide in the form of flakes or lumps. The pure product is presented in pellets or cubes in glass jars. … Solid sodium hydroxide attacks the skin and destroys the mucous membranes. It is deliquescent and very soluble in …