Harmonized System

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Section VI > Chapter 38 > Heading 3808

Explanatory notes

… disinfectants, herbicides, fungicides, etc., are applied by spraying, dusting, sprinkling, coating, impregnating, … or may necessitate combustion. They achieve their results by nerve‑poisoning, by stomach‑poisoning, by asphyxiation or by odour, etc. The …

Section VI > Chapter 38 > Heading 3827

Explanatory notes

… (HCFCs) : 3827.61 - - Containing 15 % or more by mass of 1,1,1-trifluoroethane (HFC-143a) 3827.62 - - … included in the subheading above, containing 55 % or more by mass of pentafluoroethane (HFC- 125) but not containing … included in the subheadings above, containing 40 % or more by mass of pentafluoroethane (HFC-125) 3827.64 - - Other, …

Section XIII > Chapter 69 > Heading 6904

Explanatory notes

… sanitary ware, etc.), and classification is not affected by the nature of the ceramics used in their manufacture, … than with hard porcelain. The glaze is normally applied by further firing at a lower temperature, thus permitting a … clays mixed with water. It has a fine-grained body obtained by firing to a higher temperature than in the case of …

Section VI > Chapter 29 > Heading 2915

Explanatory notes

… the residue is an acyl radical which can be represented by the formula (RCO–) where R is an alkyl or aryl radical … from one molecule of dibasic acid. They are characterised by the group (–C(O)OC(O)–). (B) ACID HALIDES The halides … (RCOX, where X is a halogen), i.e., they are represented by acyl radicals combined with chlorine, bromine or other …

Section XVI > Chapter 85 > Heading 8518

Explanatory notes

… in the electrical resistance of carbon granules, caused by differences in the pressure exerted upon them when the diaphragm is displaced by sound waves. The carbon granules (or powder) are packed … , in which the pressure of the sound waves, transmitted by means of a diaphragm, sets up strains in a specially cut …

Section XVI > Chapter 84 > Heading 8457

Explanatory notes

… of machining operations on a single workpiece either : (a)  by automatic tool change from a magazine or the like in … with a machining programme (machining centres); (b)  by the automatic use, simultaneously or sequentially, of … (unit construction machines, single station); or (c)  by the automatic transfer of the workpiece to different unit …

Section X > Chapter 48 > Heading 4816

Explanatory notes

… that one or more copies of an original document can be made by applying pressure (e.g., by the impact of a typewriter key), moisture, ink, etc. Such …

Section VI > Chapter 28 > Heading 2836

Explanatory notes

… (A) CARBONATES (1)   Ammonium carbonates . Obtained by heating a mixture of chalk and ammonium sulphate (or chloride), or by combining carbon dioxide with gaseous ammonia in presence … hydroxide (caustic soda) of heading 28.15 . May be obtained by heating a solution of sodium chloride and ammonia with …

Section XVI > Chapter 84 > Heading 8438

Explanatory notes

… dies; the dough is then cut off to the desired thickness by a revolving knife fitted on the outside of the dieplate. … “Pulling” machines used for kneading plastic sugar mixtures by means of crank‑shaped revolving arms. (4)  Dragee pans . … extraction. (4)   Machines for preparing cocoa powder by grinding the cakes left after cocoa butter extraction. …

Section VI > Chapter 28 > Heading 2840

Explanatory notes

… acid (H 3 BO 3 ) (heading 28.10). Borates obtained by crystallisation or by a chemical process are covered by this heading, as are also natural borates obtained by …