Harmonized System

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Section XIII > Chapter 70 > Heading 7015

Explanatory notes

… designed to protect the dials or faces of the articles in question, even if in particular cases the glasses are … of the glass elements of heading 70.14 is to produce a required optical effect, the main function of the goods of … protective spectacles), i.e., glass generally of poorer quality than used for corrective spectacles.         These …

Section VI > Chapter 28 > Heading 2815

Explanatory notes

… hydroxide (caustic soda) : 2815.11 ‑ ‑ Solid 2815.12 ‑ ‑ In aqueous solution (soda lye or liquid soda) 2815.20 ‑ Potassium hydroxide (caustic potash) … attacks the skin and destroys the mucous membranes. It is deliquescent and very soluble in water; it must therefore be …

Section XVI > Chapter 85 > Heading 8524

Explanatory notes

… - Without drivers or control circuits : 8524.11 - - Of liquid crystals 8524.12 - - Of organic light-emitting diodes … ) 8524.19 - - Other               - Other : 8524.91 - - Of liquid crystals 8524.92 - - Of organic light-emitting diodes … in Note 7 to this Chapter. The articles of this heading are equipped at a minimum with a display screen utilizing liquid

Section XVI > Chapter 84 > Heading 8432

Explanatory notes

… designed to be hauled by, or mounted as interchangeable equipment on a tractor. Some agricultural, horticultural or … the soil through tillage. They deliver seed in a measured quantity and deposit the seed into the unprepared soil by …

Section XVIII > Chapter 90 > Heading 9005

Explanatory notes

… some of which may be of large diameter. They are not equipped with an erecting eyepiece which would cause loss of … are usually designed to be mounted on stands which are frequently large structures with considerable associated equipment. When equipped with a photographic camera which …

Section XVI > Chapter 84 > Heading 8474

Explanatory notes

… of this heading combine two or more of the functions in question (e.g., hydraulic sorting and washing, grinding and … gravities can be collected at differing distances from the quickly rotating centre ( heading 84.21 ). However, machines …

Section VI > Chapter 28 > Heading 2826

Explanatory notes

… an acid by a metal or by the ammonium ion (NH 4 + ). In the liquid state or in solution, they are electrolytes giving a … replaceable by metal; basic salts contain a greater quantity of basic oxide than is necessary to neutralise the … in water, and antimony pentafluoride (SbF 5 ), a viscous liquid which dissolves in water with a hissing sound to form …

Section VI > Chapter 29 > Heading 2922

Explanatory notes

…               - Amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of …

Section XX > Chapter 96 > Heading 9601

Explanatory notes

… permitted in the heading for the raw material in question (see the Explanatory Notes to headings 05.05 to … and similar materials obtained from marine mammals. (IX)   Quills of feathers. (X)    Shells of crustaceans and …

Section VI > Chapter 28 > Heading 2844

Explanatory notes

… but they may have different numbers of neutrons and, consequently, will be of different mass (different mass … more stable elements or isotopes. The time required for the quantity of a given radioactive isotope to decrease to … mass, uranium 235 which represents 0.71 %, and a negligible quantity (about 0.006 %) of uranium 234. Consequently, it …