Harmonized System

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Section VI > Chapter 29 > Heading 2939

Explanatory notes

… and, in general, any alkaloid derivative the structure of which is to a large extent the same as that of the natural … (3)   Diacetylmorphine (heroin), crystalline white powder; used as a sedative in place of codeine and … provided they retain the epoxy-bridged morphine structure, whether or not hydrogenated. (B) ALKALOIDS OF CINCHONA AND …

Section XVI > Chapter 84 > Heading 8412

Explanatory notes

… combustion piston engines, hydraulic turbines, water wheels, turbo-jets, turbo-propellers or other gas turbines. … Ram-jets.        This is a mechanically simple engine, which can function only on rapidly moving machines. It has … The combustion chamber and the supply of propellant form a whole. The propellant in this type of engine consists of a …

Section XVI > Chapter 84 > Heading 8481

Explanatory notes

… They may be operated by hand (by means of a key, wheel, press button, etc.), or by a motor, solenoid, clock … on a vehicle or aircraft. However, certain machinery parts which incorporate a complete valve, or which regulate the … either in this heading or in heading 90.26 depending on whether or not the combined apparatus retains the essential …

Section II > Chapter 10 > Heading 1006

Explanatory notes

… 1006.20 ‑ Husked (brown) rice 1006.30 ‑ Semi‑milled or wholly milled rice, whether or not polished or glazed 1006.40 ‑ Broken rice This … by the husk. (2)   Husked ( brown ) rice ( cargo rice ) which, although the husk has been removed by mechanical …

Section XVIII > Chapter 90 > Heading 9001

Explanatory notes

… very thin coating of plastics, invisible to the naked eye, which renders the fibres less prone to fracture. Optical … and those of Chapter 70 it is necessary to determine whether or not they have been optically worked.      The … This heading applies only to optical elements of which the whole or part of their surface has been polished in order to …

Section II > Chapter 14 > Heading 1401

Explanatory notes

… materials : (1)   Bamboos , special varieties of grasses, which grow profusely in some regions and particularly in … with a groove between alternate pairs of nodes. Bamboos (whether or not split, sawn lengthwise or cut to length, … by cutting longitudinally these cores or canes or the whole rattans. (3)   Reeds and rushes , collective terms …

Section XVI > Chapter 85 > Heading 8504

Explanatory notes

… TRANSFORMERS Electrical transformers are apparatus which, without having any moving parts, transform, by means … continual use at the rated secondary voltage (or amperage, when applicable) and at the rated frequency without … rectifiers (e.g., those using camshafts) with a device whose metal contacts open and close in synchronisation with …

Section XVIII > Chapter 92 > Heading 9209

Explanatory notes

… This group covers metronomes, tuning forks and pitch pipes whether intended for musical or other uses.      Metronomes … mechanical devices used to indicate the exact tempo in which a piece of music is to be played; they are generally … Tuning forks are usually small U‑shaped metal bars which, when vibrated, emit one given note; the group also covers …

Section XVI > Chapter 84 > Heading 8474

Explanatory notes

… pastes, unhardened cements, plastering materials, etc., whether or not with an added binder or filler). (III)  … that, with the adjacent roller, it forms a channel through which the material passing over the rollers can fall if … sheet . The material passes over an inclined screen whose meshes or perforations increase in size towards the …

Section XVI > Chapter 84 > Heading 8434

Explanatory notes

… covers mechanical milking machines, and other machinery, whether for farm or industrial purposes, used in the … comprises a cluster of teat‑cups (each with a rubber liner) which are connected, by means of flexible tubing, on one … devices to be guided directly to the teats of the cow. When presented together, the various components of such …