Harmonized System

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Section XI > Chapter 50 > Heading 5003

Explanatory notes

… stock). This heading covers silk waste of all kinds, in the crude unworked state or at its various stages of processing … damaged that the filament, although not yet broken, would rupture at the affected points during the reeling process; … covering of the cocoon; these are first removed with small brushes and then cut away to leave that part of the cocoon …

Section XV > Chapter 74 > Heading 7403

Explanatory notes

… of circular cross‑section) and similar forms for rolling, extruding, drawing or forging into plates, sheets, strip, … are porous and of low strength and are normally rolled, extruded, forged, etc., to achieve useful density. These … are often used for the same purposes as rolled, drawn or extruded bars. …

Section XV > Chapter 78

Explanatory notes

… a natural lead sulphide ore often containing silver. The crushed ore, after concentration by flotation, is generally … acid or hydrogen chloride) and is therefore used in the construction of chemical plant. * *    * Because of its low … and 78.02). (B)  Products generally obtained by rolling or extruding the unwrought lead of heading 78.01 (headings …

Section VI > Chapter 28 > Heading 2806

Explanatory notes

… spirits of salt) in glass or earthenware containers or in rubber‑lined tank wagons or tank trucks. These pungent‑smelling solutions are yellowish if … of chloroprene, vinyl chloride, artificial camphor, rubber hydrochloride). (B) CHLOROSULPHURIC ACID …

Section XVI > Chapter 84 > Heading 8484

Explanatory notes

… or assortments of any material (agglomerated cork, leather, rubber, textiles, paperboard, asbestos, etc.) are classified … in heading 48.23 ; but if the set also included a rubber gasket it would fall in this heading. (C) MECHANICAL … on them by moving components or due to vibrations, etc. The structure of these seals is generally fairly complex. They …

Section XVI > Chapter 85 > Heading 8535

Explanatory notes

… Fuses and automatic circuit breakers which automatically interrupt the current when its intensity or voltage exceeds … tension circuits. They are usually of a complex and robust construction having special devices to prevent arcing, and …

Section VIII > Chapter 43 > Heading 4302

Explanatory notes

… even if they can be put to immediate use (for example, as rugs). (2)   Assemblies of tanned or dressed furskins or … blending or “topping” (surface dyeing by means of a brush), dyeing, combing, trimming and glossing, including … rectangular (including square) assemblies. (2)   Crosses ‑ cruciform assemblies. (3)   Sacs (linings or robes) ‑ …

Section VII > Chapter 39 > Heading 3912

Explanatory notes

… a carbohydrate of high molecular weight, forming the solid structure of vegetable matter. It is contained in cotton in … when an alkaline solution of cellulose xanthate is extruded into an acid bath. It is usually in the form of … in the form of sheets, film, rods or tubes, or other extruded forms, and is then excluded from this heading …

Section XVIII > Chapter 90 > Heading 9012

Explanatory notes

… dust, textile fibres, colloids, etc.; examination of the structure of metals, paper, etc.). (B)  Proton microscopes . … production of even more highly magnified images.        The structure and functioning of the proton microscope do not …

Section XVIII > Chapter 91 > Heading 9102

Explanatory notes

… mechanical and electrical (mostly electronic) timekeeping instruments with case and movement, of a kind intended to be … equipped with special devices so that the speed of a runner, a motor vehicle, sound, etc., the pulse rate, the …

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