… type of floating dock functions in a similar manner, but is self‑propelled and equipped with powerful engines. … platforms which are similar to submersible platforms, but differ from them in that the submerged part does not …
… parallel faces, they may have certain optical properties, but whereas the primary function of the glass elements of … (including blanks, i.e. pieces simply pressed or moulded but not optically worked) for corrective spectacles. In most …
… power of refraction, and is nearly as hard as diamond but rather brittle. Used extensively as an abrasive and as a … ). (b) Mixtures of metal carbides, not agglomerated, but prepared for the manufacture of plates, sticks, tips, …
… 2 ). Results from the action of sulphur vapours on burning carbon. Colourless, toxic liquid (specific gravity … dangerous to inhale. It is decomposed by boiling water, but is not affected by air. It is the most stable phosphorus …
… in their original order so as to obtain a longer but narrower furskin. Tanning consists of the treatment of … assemblies in the form of a trapezium, sometimes sewn into tubular form. Bodies for making fur coats or jackets also …
… damped with alcohol, generally ethyl, isopropyl or butyl alcohol, or dampened or plasticised with phthalate … is obtained in a solid form. (3) Cellulose acetate butyrate and cellulose propionate . These are cellulose …
… ‑ Of other plastics : 3920.91 ‑ ‑ Of poly(vinyl butyral) 3920.92 ‑ ‑ Of polyamides 3920.93 ‑ ‑ Of … uncut or cut into rectangles (including squares) but not further worked (even if when so cut they become …
