Harmonized System

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Section VI > Chapter 28 > Heading 2833

Explanatory notes

… (A) SULPHATES Subject to the exclusions mentioned in the introduction to this sub-Chapter, this heading covers the … sulphate (90 ‑ 99 % purity), generally obtained as by‑products of various manufacturing processes, are often … chemical pulps); as a sizing material in the textile industry; in medicine as a purgative, etc. Natural sodium …

Section XVIII > Chapter 90 > Heading 9006

Explanatory notes

… of the horizon. Extreme wide-angle cameras swing the lens during exposure in synchronisation with the shutter. (6)   " … These devices produce very bright light for a very short duration (flash) and are thus distinguished from … may have provision for varying the flash intensity and duration. (B)  The discharge lamp with its stand and …

Section XVIII > Chapter 90 > Heading 9022

Explanatory notes

… designed camera . These photograph the image of which is produced on an X‑ray screen mounted in the camera itself. …

Section XVIII > Chapter 90 > Heading 9031

Explanatory notes

… fitted with an electronic balancing device, the vibrations due to unbalance are detected by a special sensitive element … set squares, for checking heights or for other checks during manufacturing processes. (9)   Sine bars and … of a clay, etc., test piece taken from a ceramic furnace during firing to determine the course of the firing …

Section XV > Chapter 73 > Heading 7305

Explanatory notes

… by welding or riveting preformed, unclosed, tubular shapes produced from flat‑rolled products. The tubular shapes can be produced : ‑      … filler metal by flash‑welding, by electrical resistance or induction welding, or by submerged arc welding with filler …

Section VI > Chapter 38 > Heading 3812

Explanatory notes

… and blends; and (ii)         reaction mixtures including products produced from a homologous series such as fatty … give the vulcanised articles better physical properties and reduce the time and temperature required for the vulcanising …

Section XV > Chapter 72 > Heading 7201

Explanatory notes

… Sub-Chapter I PRIMARY MATERIALS; PRODUCTS IN GRANULAR OR POWDER FORM GENERAL The sub‑Chapter … ferro‑alloys, ferrous products obtained by direct reduction of iron ore and other spongy ferrous products, …

Section XI > Chapter 50 > Heading 5003

Explanatory notes

… not yet broken, would rupture at the affected points during the reeling process; badly stained or soiled cocoons … during the throwing, reeling or weaving processes. (D)  Products obtained by discharging and combing silk waste (in … Wadding ( heading 30.05 or 56.01 ). (b)   Textile flock and dust and mill neps, of silk ( heading 56.01 ). (c)   Rags of …

Section VI > Chapter 28 > Heading 2811

Explanatory notes

… (H 2 SiF 6 ), e.g., in aqueous solutions obtained as by‑products in the manufacture of superphosphates, or from … unstable. They include : (1) Hypochlorous acid (HClO). A product dangerous to inhale, exploding on contact with …

Section XI > Chapter 58 > Heading 5810

Explanatory notes

… lace or woven fabric, or of felt or nonwovens, in order to produce an ornamental effect on that ground. The embroidery … embroidery be confused with woven fabrics bearing designs produced by broché threads during the weaving process (plumetis and other broché work). …