… (11) Coaches specially equipped with radio or telegraph apparatus. (12) Instruction coaches fitted with apparatus, machines or scale models (e.g., for instruction …
… which alter the chemical composition or crystallographic structure of the basic ore are excluded (generally Chapter … zircon sand micronised for use as an opacifier in enamel manufacture ( heading 25.30 ). …
… textile yarn 4822.90 ‑ Other The heading covers bobbins, tubes, spools, cops, cones and similar supports for winding … plastics are excluded ( Chapter 39 ). The bobbins, tubes, spools, etc., may have reinforcements or fittings, at …
… (boric or citric acid, etc.) to prevent decomposition; such mixtures remain in this heading. This heading also includes … used for vat‑dyeing, for purifying water, for restoring old pictures, in photography and in medicine (as an antiseptic …
