… Molybdenum metal is also used in filament supports for electric light bulbs; grids of electronic valves; elements for electric furnaces; current rectifiers and …
… these stones, which are usually crystalline, are used by jewellers, goldsmiths and silversmiths for making articles … industrial purposes (e.g., ruby, sapphire, agate, piezo-electric quartz). The provisions of the second paragraph of … or of other goods of Chapter 90 or 91 ; also optical elements of quartz ( heading 90.01 or 90.02 ). The stones …
… its mechanical strength or resistance to chemical or electrical agencies. Such wood may be solid or consist of … case the treatment applied being in excess of that required merely to produce a good bond between the layers. Two main …
… and uproot it by the action of hydraulic jacks. (2) Tree‑felling machines with hydraulic shears or saws, whether or … powders ( heading 84.24 ). (d) Pneumatic or “blower” type elevators; winches for uprooting, dragging or loading trees, … (or testers ) with mechanical features (including photo‑electric testers), other than static testing lamps. Those …
… by laser or other light or photon beam, ultrasonic, electro‑discharge, electro‑chemical, electron beam, ionic‑beam or plasma arc processes; water-jet … in the hand, pneumatic, hydraulic or with self‑contained electric or non‑electric motor ( heading 84.67 ). (f) …
… faces), dressed with the pick, bushing hammer, or chisel, etc., furrowed with the drag-comb, etc., planed, … articles such as steps, cornices, pediments, balustrades, corbels and supports; door or window frames and lintels; thresholds; mantelpieces; window sills; doorsteps; …
… on one side only, but sometimes on both. Warp pile fabrics (velvets, plushes, moquettes, etc.) may be produced by … or uncut pile fabrics. The loops or tufts of cut pile are held in place by the weft threads. Warp pile fabrics are … produce two fabrics with a cut pile. Cut weft pile fabrics (velveteens, corduroys, etc.) have a pile usually produced by …
… heading 90.13 have only a single stage of magnification of relatively low power, the compound optical microscope of … incorporates provision for illuminating the object from below (by means of a mirror illuminated by an external or an … whether or not they are presented with their optical elements (objectives, eyepieces, mirrors, etc.). The heading …
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