Harmonized System

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Section V > Chapter 26 > Heading 2620

Explanatory notes

… from the treatment of ores or intermediate metallurgical products (such as mattes) or from electrolytic, chemical or other … iron oxide (due to rusting of storage tanks).  In general, such sludges are used for recovery of lead or lead …

Section XVIII > Chapter 91 > Heading 9105

Explanatory notes

… not classified elsewhere in the Chapter, essentially constructed for indicating the time of day; they must, … period clocks; special regional forms of fancy clocks (Neuchâtel clocks, Paris clocks, cuckoo‑clocks, Westminster chiming clocks, etc.); …

Section XVIII > Chapter 90 > Heading 9025

Section XVI > Chapter 85 > Heading 8516

Section XVI > Chapter 85 > Heading 8507

Explanatory notes

… A direct current is passed through the accumulator producing certain chemical changes (charging); when the … to an external circuit these chemical changes reverse and produce a direct current in the external circuit … these cells are usually connected together in series to produce a higher voltage. A number of cells so connected is …

Section IX > Chapter 44 > Heading 4409

Explanatory notes

… Note to this Chapter). Continuously shaped wood covers both products with a uniform cross‑section throughout the length or width and products having a repetitive design in relief. Tongued and … to various contours (obtained mechanically or by hand), such as are used for the manufacture of picture frames, …

Section VI > Chapter 34 > Heading 3403

Explanatory notes

… following types : (A)  Lubricating preparations designed to reduce friction between the moving parts of machinery, … aircraft or other appliances, apparatus or instruments. Such lubricants usually consist of, or are based on, … industries (e.g., plastics, rubber, construction, foundry), such as : (1) Mineral, vegetable or animal oils or other …

Section XVI > Chapter 84 > Heading 8449

Explanatory notes

… soaped, are pounded with hammers to complete the felting. Such mills remain here even though, exceptionally, they can … metal cones (or gauze cones). A strong current of air sucks the hair to the surface of the cone forming a layer on …

Section XVI > Chapter 85 > Heading 8540

Explanatory notes

… and tubes, some of which are designed for special purposes such as microwave tubes (e.g., magnetrons, travelling wave … is projected on to a photoemissive surface which in turn produces a corresponding visible image on a luminescent … in which an image projected on to a photoemissive surface produces a corresponding intensified image on a luminescent …

Section I > Chapter 3 > Heading 0302

Explanatory notes

… - - Atlantic salmon ( Salmo salar ) and Danube salmon ( Hucho hucho ) 0302.19 ‑ ‑ Other               ‑    Flat fish …

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