… 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 …
… 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 …
… 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 …
… 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. …
… 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 …
… 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 …
… 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 …
… 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 …
… 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 …
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