Harmonized System

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Section XVI > Chapter 84 > Heading 8486

Explanatory notes

… (1)   One-melt furnaces for zone melting and refining of silicon rods, oxidation furnaces for oxidizing the surface … ultrahigh vacuum using beams of molecules. The process is similar to PVD. (2)   Doping equipmen t, which introduce … etchers provide more uniform results than bath etchers, since they perform the operation on one wafer at a time. (b) …

Section XVI > Chapter 84 > Heading 8401

Explanatory notes

… covers, in general, all the apparatus and appliances inside the area screened off by the biological shield … pool, organic moderator type reactors). In general, the size of a reactor is so calculated as to be at least “ … of nuclear fuel coated with layers of carbon or silicon carbide, intended for introduction into spherical or …

Section XVI > Chapter 84 > Heading 8430

Explanatory notes

… propelled 8430.39 ‑ ‑ Other               ‑ Other boring or sinking machinery : 8430.41 ‑ ‑ Self‑propelled 8430.49 ‑ ‑ … or load but, like agricultural tractors, are fitted with simple devices for operating the working tools. Such working … light and can be mounted or changed at the working site by the user himself. In such cases, the working tools …

Section XVI > Chapter 84 > Heading 8426

Explanatory notes

… cranes mounted to run on rails in servicing building sites, quarries, etc. (b)   Machines  mounted on tractors or … or load but, like agricultural tractors, are fitted with simple devices for operating the working tools. Such working …

Section XVI > Chapter 84 > Heading 8438

Explanatory notes

… and machinery for the manufacture of macaroni, spaghetti or similar products 8438.20 ‑ Machinery for the manufacture of … a hopper, is divided mechanically into portions of equal size. These machines sometimes incorporate devices for …

Section VI > Chapter 29 > Heading 2931

Explanatory notes

… is controlled under the Rotterdam Convention. (4)   Organo-silicon compounds. These are separate chemically defined … atom of an organic radical. These compounds include organic silanes and siloxanes; in some cases these products are polymerized to …

Section II > Chapter 13 > Heading 1302

Explanatory notes

… It is generally in the form of balls or cakes of varying size and shape.  However, concentrates of poppy straw … obtained from the wood of the shrub of the same name ( Simaroubaceae family), which grows in South America.     … by means of initial solvent extraction. Extracts may be simple or compound. Simple extracts are obtained by the …

Section VI > Chapter 34 > Heading 3402

Explanatory notes

… they give a transparent or translucent liquid or stable emulsion without separation of insoluble matter (see Note 3 … surface-active agent.         This ionic behaviour is similar to that of amphoteric compounds in the broadest … (1) Builders (e.g., sodium polyphosphates, carbonates, silicate or borate, salts of nitrilotriacetic acid (NTA)). …

Section XVI > Chapter 85 > Heading 8543

Explanatory notes

… in this Chapter. 8543.10 - Particle accelerators 8543.20 ‑ Signal generators 8543.30 ‑ Machines and apparatus for … or electrophoresis 8543.40 ‑ Electronic cigarettes and similar personal electric vaporising devices 8543.70 - Other … . These are apparatus for the production of electrical signals, of known wave‑form and magnitude, at an assignable …

Section XVI > Chapter 84 > Heading 8413

Explanatory notes

… cylinder, the inlet and outlet being regulated by valves. “Single-acting” pumps utilise the thrust or suction of one … piston thus using both the forward and reverse strokes. In simple “lift” pumps the liquid is merely raised by suction … and compression, in this case produced by cams (lobes) or similar devices, rotated continuously on an axis. These …