Harmonized System

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Section XVIII > Chapter 91 > Heading 9114

Explanatory notes

… in clocks or watches and in other articles, for example, in toys, meters or measuring or precision instruments (springs, … (A) PARTS OF WATCH MOVEMENTS (regardless of complexity of system) These include : (1)   Frame  : plate (and any …

Section XVII > Chapter 87 > Heading 8716

Explanatory notes

… with wheels (e.g., sledges, special sleds running on timber trackways). The vehicles of this heading are designed to be … usually have two or more sets of wheels, and a coupling system mounted on the swivelling front wheels which steer …

Section XV > Chapter 75 > Heading 7504

Explanatory notes

… are defined in Note 8 (b) to Section XV. Depending on their physical characteristics, the powders and flakes are used in … agents for metal carbides, for the production of nickel alloys (e.g., alloy steels) or as catalysts. They are also used either in the pure state or …

Section XV > Chapter 81 > Heading 8110

Explanatory notes

… with lead and tin, to harden them, to produce bearing alloys, printers’ type and other casting alloys, pewter, Britannia metal, etc. (see Chapters 78 and 80 , where these alloys normally fall because of the predominance of lead or …

Section XV > Chapter 81 > Heading 8109

Explanatory notes

… of metal structures for nuclear plant. Zirconium‑plutonium alloys and zirconium‑uranium alloys are used as nuclear fuel. For nuclear purposes all …

Section XV > Chapter 81

Explanatory notes

… This Chapter is limited to the following base metals, their alloys, and articles thereof which are not more specifically … classified in this Chapter are mainly used in the form of alloys or carbides, rather than in the pure state. The classification of such alloys follows the rules set out in Note 5 to Section XV; …

Section VI > Chapter 28 > Heading 2810

Explanatory notes

… (B 2 O 3 ) exists as transparent vitreous masses, crystals or white flakes. It has been used for making … either by acid decomposition of natural borates, or by physico‑chemical treatment of crude boric acid. It exists in … lumps, with transparent edges, ash‑grey or bluish (crystallised acid). It is odourless, greasy to the touch. …

Section VI > Chapter 38 > Heading 3822

Explanatory notes

… . Diagnostic reagents are used in the evaluation of physical, biophysical or biochemical processes and states in animals and …

Section XX > Chapter 96 > Heading 9601

Explanatory notes

… etc., or for subsequent use in the manufacture of piano‑keys). Provided they are worked or in the form of articles, … and parts thereof (hunting horns, piano or accordion keys, pegs, bridges, etc.). (ij)   Articles of Chapter 93 …

Section VI > Chapter 28 > Heading 2808

Explanatory notes

… mainly obtained by oxidising ammonia in the presence of a catalyst (platinum, iron, chromium, bismuth or manganese … clouds of yellowish nitrous fumes. It attacks the skin and destroys organic matter; it is a powerful oxidising agent. It is presented in glass or earthenware carboys or aluminium containers. Its uses include the …