Harmonized System

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Section XVI > Chapter 84 > Heading 8466

Explanatory notes

… interchangeable devices which modify the machine so that it can perform a wider range of operations; devices to increase … attachments; dividing heads; indexing tables; micrometer carriage stops; carriage spacing attachments, etc. Such … an optical device to assist in reading the scale or in carrying out adjustments (e.g., “optical” dividing heads). …

Section XIV > Chapter 71 > Heading 7106

Explanatory notes

… the manufacture of electrical contacts. (2) Silver-copper-cadmium , silver-copper-titanium and silver-indium alloys , … 32.13 . (II)   Unwrought silver in lumps, grains, ingots, cast bars, pellets, etc. ; also native silver in lumps, … blocks, plates, bars, rods, etc., with a basis of “carbon”, containing silver (see Explanatory Note to heading …

Section XVI > Chapter 84 > Heading 8449

Explanatory notes

… machines for sorting hair, textile openers, beaters and cards) are the same as those used in the preliminary … of two heavy grooved plates, one fixed and the other capable of reciprocating movement, between which the web of carded fibres is submitted to friction and high pressure and …

Section III > Chapter 15 > Heading 1521

Explanatory notes

… The following are the principal vegetable waxes : (1) Carnauba wax , exuded from the leaves of a variety of palm … brittle spherical pieces, yellowish‑white in colour. (4) Candelilla wax , obtained by boiling a Mexican plant ( … It is a hard, translucent, brown substance. (5) Sugar‑cane wax , existing in the natural state on the surface of …

Section XV > Chapter 72 > Heading 7204

Explanatory notes

… scrap ingots of iron or steel. 7204.10 - Waste and scrap of cast iron - Waste and scrap of alloy steel : 7204.21 - - Of … pieces. (b) Compression into bales, particularly in the case of light scrap, using for example a hydraulic press. … articles which, with or without repair or renovation, can be re‑used for their former purposes or can be adapted …

Section VI > Chapter 29 > Heading 2912

Explanatory notes

… aldehydes . (1) Methanal (formaldehyde) (HCHO). Obtained by catalytic oxidation of methanol. Colourless gas with a … Mobile, colourless liquid with a pungent, fruity odour; caustic; very volatile, inflammable; miscible with water, … oenanthol) (CH 3 (CH 2 ) 5 CHO). Obtained by distilling castor oil; a colourless liquid with a penetrating odour. …

Section VI > Chapter 28 > Heading 2833

Explanatory notes

… manufacturing processes, are often described as “salt cake” and are classified in this heading. Disodium sulphate … 2 O) it appears in white crystals, soluble in water, which can either be crumbly and easily scratched with a fingernail … mordant in dyeing, in the preparation of gas masks and as a catalyst. (6)   Copper sulphates . (a)  Cuprous sulphate (Cu …

Section VI > Chapter 28 > Heading 2804

Explanatory notes

… are obtained by fractionating liquid air, or also (in the case of helium) from certain natural gases. They are … Nitrogen is chiefly used for the manufacture of ammonia and calcium cyanamide, but is also used to provide an inert … (5)   Silicon . Silicon is obtained almost exclusively by carbothermal reduction of silicon dioxide using electric …

Section XVII > Chapter 88 > Heading 8806

Explanatory notes

… 88.06 ‑ Unmanned aircraft . 8806.10 ‑ ‑ Designed for the carriage of passengers               ‑ Other, for … those specified in heading 88.01.  Unmanned aircraft may be capable of remote-controlled flight only which is operated … tracking function . Unmanned aircraft may be designed to carry a payload or equipped with permanently integrated …

Section XV > Chapter 73 > Heading 7318

Explanatory notes

… and are used to assemble or fasten goods so that they can readily be disassembled without damage. Bolts and screws … nuts, butterfly nuts, etc. Lock nuts (usually thinner and castellated) are sometimes used with bolts. Blanks for bolts … ( heading 83.09 ). (c)   Threaded mechanisms, sometimes called screws, used to transmit motion, or otherwise to act …