Harmonized System

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Section XVIII > Chapter 90 > Heading 9018

Explanatory notes

… of cases, are used only in professional practice (e.g., by doctors, surgeons, dentists, veterinary surgeons, … clearly identifiable as being for medical or surgical use by reason of their special shape, the ease with which they … manufacture, the nature of the constituent metals or by their get‑up (frequently packed in cases or boxes …

Section XVI > Chapter 85 > Heading 8519

Explanatory notes

… or reproducing apparatus (+). 8519.20 - Apparatus operated by coins, banknotes, bank cards, tokens or by other means of payment 8519.30 - Turntables …

Section VI > Chapter 28 > Heading 2841

Explanatory notes

… anhydrides). The main groups of compounds covered by this heading are : (1)   Aluminates . Derivatives of aluminium hydroxide. (a)  Sodium aluminate . Obtained by treating bauxite with sodium hydroxide solution. Occurs … industrial water, etc. (b) Potassium aluminate . Prepared by dissolving bauxite in potassium hydroxide. White, …

Section XVIII > Chapter 90 > Heading 9029

Explanatory notes

… (in some cases the part drives the gearing itself) or by remote control. The driving spindle may be operated by a rotary, alternating or pulsating movement of the … for counting a number of articles (printed sheets delivered by a rotary press, articles carried by a conveyor belt, bank …

Section IV > Chapter 20 > Heading 2009

Explanatory notes

… and vegetable juices of this heading are generally obtained by mechanically opening or pressing fresh, healthy and ripe …  This may be done (as in the case of citrus fruits) by means of mechanical “extractors” operating on the same principle as the household lemon-squeezer, or by pressing which may or may not be preceded either by …

Section XV > Chapter 73 > Heading 7305

Explanatory notes

… tubes and pipes of this heading are obtained, for example, by welding or riveting preformed, unclosed, tubular shapes … ‑      longitudinally or spirally in a continuous operation by means of a set of rollers, for flat‑rolled products in … or ‑      longitudinally in a non‑continuous operation by means of a press or rolling machine, for flat‑rolled …

Section XVI > Chapter 84 > Heading 8421

Explanatory notes

… ‑ ‑ Other This heading covers : (I)    Machines which, by the use of centrifugal force, completely or partly … the walls of which the expelled materials are projected by centrifugal force. In some types the substances of … specific gravities are collected at different levels by means of a series of inverted separator cones. In other …

Section VI > Chapter 28 > Heading 2830

Explanatory notes

… Sodium sulphides . (a)  Sodium sulphide (Na 2 S). Prepared by reducing sodium sulphate by means of coal. Either anhydrous, in whitish masses or … promotes the absorption of oil on the surface of ores by sulphiding. Also used as a hair‑remover (in tanning or in …

Section VI > Chapter 28 > Heading 2833

Explanatory notes

… disodium sulphate (90 ‑ 99 % purity), generally obtained as by‑products of various manufacturing processes, are often … (MgSO 4 .7H 2 O) (Epsom salts, Seidlitz salts) obtained by purifying kieserite, or by the action of sulphuric acid …

Section XVI > Chapter 84 > Heading 8465

Explanatory notes

… ‑ Sawing machines 8465.92 ‑ ‑ Planing, milling or moulding (by cutting) machines 8465.93 ‑ ‑ Grinding, sanding or … e.g., those for the drying of wood or the ageing of it by desiccation ( heading 84.19 ), machines for the expansion … machine‑tools are power‑driven but similar machines, worked by hand or pedal, are also covered by this heading. These …

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