Harmonized System

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Section XV > Chapter 74 > Heading 7403

Explanatory notes

… Chapter Notes 1 (a) and 1 (b) respectively. Refined copper containing at least 99.85 % by weight of copper is obtained by electrolytic refining, electrolytic extraction, … sections. Refined copper may also be in the form of shot mainly used for alloying purposes and sometimes for grinding …

Section XVI > Chapter 84 > Heading 8484

Explanatory notes

… metal or of dissimilar metals) pressed together. They are mainly used in certain motors or pumps, or for certain pipe joints. But the … To be classified here, the sets and assortments must contain at least two gaskets or joints of different …

Section XIX > Chapter 93 > Heading 9303

Explanatory notes

… or blocked barrels with a vent for the escape of gases. Certain revolvers may have the chambers in the cylinder … animals ( heading 93.02 ). (7)   Line‑throwing guns , used mainly on board ship or at lifeboat stations for life‑saving … and similar apparatus , firing blank ammunition, used to raise an alarm (e.g., at lifeboat stations), to celebrate an …

Section XVIII > Chapter 90 > Heading 9028

Explanatory notes

… They are often fitted in a bypass or shunt off the main or connected to measuring transformers, so that only … quantity passing through the service pipes or through the main. Gas, liquid or electricity supply or production meters … the meter, fills the submerged compartments and thus raises them above the level of the water. The revolutions of …

Section XV > Chapter 72 > Heading 7204

Explanatory notes

… cast iron - Waste and scrap of alloy steel : 7204.21 - - Of stainless steel 7204.29 - - Other 7204.30 - Waste and scrap … by separation (which may be magnetic) with a view to obtaining a high density product that is fairly clean. (d)  Crushing and agglomeration into …

Section XV > Chapter 75 > Heading 7508

Explanatory notes

… are usually of a high degree of purity. Small amounts of certain elements may, however, remain after the production process or be added … into electroplating anodes : (a)   Plates (cathodes) obtained simply by electrolysis, untrimmed or trimmed, or …

Section XI > Chapter 51 > Heading 5101

Explanatory notes

… elastic, extremely hygroscopic (absorb moisture from the air) and, as a rule, have marked felting properties. Wool is … sheep’s or lambs’ wool, not carded or combed, whether obtained by shearing the animal or the pelt of the dead … and fatty matter derived from the animal itself and may contain an appreciable quantity of impurities (burrs, seeds, …

Section XVIII > Chapter 90 > Heading 9012

Explanatory notes

… (3) The specimen stage. (4) The vacuum pump unit which maintains a vacuum in the electron tube; these are sometimes self‑contained units connected to the appliance. (5) The elements … onto different points of the sample. Information is obtained by measuring, for example, the electrons …

Section XVIII > Chapter 90 > Heading 9006

Explanatory notes

… move freely in relation to one another. (8)   Cameras with air‑ and watertight cases for underwater photography. (9)   …

Section VI > Chapter 28 > Heading 2837

Explanatory notes

… salts are very poisonous. (1)   Sodium cyanide (NaCN). Obtained by the action of coke or hydrocarbon gases and … pyrites from chalcopyrite). (2)   Potassium cyanide (KCN). Obtained by similar methods, has similar characteristics and … (Na 4 Fe(CN) 6 .10H 2 O). Yellow crystals, unaffected by air, soluble in water, especially when hot. Used for …