Harmonized System

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Section VI > Chapter 29 > Heading 2937

Explanatory notes

… hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues : 2937.11 - - … 2937 .19 - - Other               - Steroidal hormones, their derivatives and structural analogues : 2937 .21 - - … stimulating the functioning of particular organs by acting directly on them or controlling the synthesis or secretion …

Section XI > Chapter 58 > Heading 5808

Explanatory notes

… metal wire covered with textile material, e.g. : (a)    Iron or steel wire for the manufacture of hat frames … may be more or less widely spaced and at regular or irregular intervals. Sometimes they are cut to form a …

Section XVIII > Chapter 90 > Heading 9032

Explanatory notes

… for automatically controlling temperature, whether or not their operation depends on an electrical phenomenon which … are designed to bring this factor to, and maintain it at, a desired value, stabilised against disturbances, by … by means of a thermostat, which are to be classified in their respective headings. (b)   Thermostatically controlled …

Section VI > Chapter 29 > Heading 2921

Explanatory notes

… - Amine-function compounds (+)*. - Acyclic monoamines and their derivatives; salts thereof : 2921.11 - - Methylamine, di- or trimethylamine and their salts 2921.12 - - 2 -(N,N-Dimethylamino)ethylchloride … hydrochloride 2921.19 - - Other - Acyclic polyamines and their derivatives; salts thereof : 2921.21 - - …

Section XX > Chapter 96 > Heading 9603

Explanatory notes

… handles               - Tooth brushes, shaving brushes, hair brushes, nail brushes, eyelash brushes and other toilet … materials. These brooms and brushes are generally made from birch, hazel, holly, heather or broom twigs, sorghum, … etc., straw (or panicles), or fibres of aloe, coco (coir), palm (piassava, in particular), etc., or buckwheat …

Section XIII > Chapter 70 > Heading 7019

Explanatory notes

… fibre articles excluded from other headings by reason of their nature. Glass fibres have the following properties : … further processing and classification of which depend on their filament diameter (in microns) and weight (in tex). … are stitched or needled together. Glass strands retain their shape in the form of parallel filaments distributed …

Section XVI > Chapter 84 > Heading 8471

Explanatory notes

… technologies. They may be self‑contained, all the elements required for data processing being combined in the same … or apparatus are classified in the headings appropriate to their respective functions or, failing that, in residual … a processing program which requires them to modify their execution, by logical decision during the processing …

Section XVI > Chapter 84 > Heading 8404

Explanatory notes

… usually consist of headers fitted with a system of cast iron or steel gilled tubing, sometimes contained within a … In the mixing type economiser waste steam is passed directly into a chamber containing the feed water. (2)   Air pre-heaters . These also make use of the waste heat. …

Section XVIII > Chapter 90 > Heading 9027

Explanatory notes

… and spectrographs using optical radiations (UV, visible, IR) 9027.50 ‑ Other instruments and apparatus using optical radiations (UV, visible, IR)               ‑ Other instruments and apparatus : … blast furnaces, etc., in particular, for determining their content of carbon dioxide, carbon monoxide, oxygen, …

Section XVIII > Chapter 90 > Heading 9031

Explanatory notes

… semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in … moves across the surface to be tested and converts any irregularities of that surface into an electric potential. …