Harmonized System

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Section XVI > Chapter 84 > Heading 8481

Explanatory notes

… like to regulate the flow (for supply, discharge, etc.), of fluids (liquid, viscous or gaseous), or, in certain cases, of solids (e.g., sand). The heading includes such devices …

Section XVI > Chapter 84 > Heading 8412

Explanatory notes

… is a mechanically simple engine, which can function only on rapidly moving machines. It has no turbo-compressor, the … chamber under the effect of a duct. The motive force is provided by the reaction of the exhaust gases expanding … ram-jet, it can be started from rest, the pulsing action providing for the intake of air.        Pulse-jets are used …

Section XI > Chapter 58 > Heading 5806

Explanatory notes

… woven fabrics  : (1)   Warp and weft fabrics in strips of a width not exceeding 30 cm, provided with selvedges (flat or tubular) on both edges. … the ribbons may be woven with wavy edges on one or both sides. (2)   Strips of a width not exceeding 30 cm, cut (or …

Section VI > Chapter 28 > Heading 2832

Explanatory notes

… heading covers : (A)  Metal sulphites ‑ salts of sulphurous acid (H 2 SO 3 ) (which exists only in aqueous solution and corresponds to the sulphur dioxide of heading 28.11). (B)  Metal thiosulphates ‑ salts … bisulphite crystals”). Obtained from the hydrogen sulphite; oxidises rather rapidly, especially in a humid atmosphere. …

Section XVI > Chapter 85 > Heading 8507

Explanatory notes

… or not rectangular (including square). 8507.10 - Lead‑acid, of a kind used for starting piston engines 8507.20 - … 8507.30 - Nickel‑cadmium 8507.50 - Nickel-metal hydride 8507.60 - Lithium-ion 8507.80 - Other accumulators … to an external circuit. In many cases the container may be subdivided, each subdivision (cell) being an accumulator in …

Section V > Chapter 27 > Heading 2710

Explanatory notes

… bituminous minerals. These oils, which are more or less liquid or semi-solid, consist predominantly of non-aromatic hydrocarbons … treated to eliminate impurities (e.g., treatment with acids or alkalis, with selective solvents, with zinc …

Section V > Chapter 25 > Heading 2530

Explanatory notes

… OR NOT CALCINED OR MIXED TOGETHER; NATURAL MICACEOUS IRON OXIDES The colours classified here are usually naturally …

Section VI > Chapter 35 > Heading 3507

Explanatory notes

… of causing and regulating specific chemical reactions inside or outside living cells, without themselves undergoing any … may be either a metal ion (e.g., copper in ascorbate oxidase, zinc in human placental alkaline phosphatase) or a …

Section VI > Chapter 30 > Heading 3004

Explanatory notes

… penicillins or derivatives thereof, with a penicillanic acid structure, or streptomycins or their derivatives … 3004.39 - - Other              - Other, containing alkaloids or derivatives thereof : 3004.41 - - Containing … covers medicaments consisting of mixed or unmixed products, provided they are : (a) Put up in measured doses or in forms …

Section XVI > Chapter 84 > Heading 8428

Explanatory notes

… of headings 84.25 to 84.27 , this heading covers a wide range of machinery for the mechanical handling of … heading is not limited to lifting or handling equipment for solid materials but also includes such machinery for liquids or gases. But the heading excludes liquid elevators …