… (3) “ Crêpe twist ”, generally a hard‑twisted tram. (4) Organzine yarns , obtained from two or more raw silk threads … them with reverse twist. Grenadine yarn is a hard‑twisted organzine. These are used mainly as warp yarns. All these …
… chromium‑aluminium oxide; aluminium‑aluminium oxide. (2) Zirconium or chromium borides; these products are known as borolites. (3) Zirconium , chromium, tungsten, etc. carbides with cobalt, …
… have interchangeable barrels. Semi‑automatic pistols have a magazine which can be loaded with several rounds of … applied to the trigger, continue to fire until either the magazine is exhausted or pressure is released from the …
… Ukuleles (small guitars with a thick neck). (f) Zithers ( or cithers ). These have a flat sound‑box of … current of wind they produce natural harmonics. (b) Czimbalos . These have a frame on which steel strings are …
… and dinas earths, crushed or ground corundum, powdered quartzites, chalk, calcined dolomite, with an added … binder (for example, sodium silicate, magnesium or zinc fluosilicates). Many of the products of this heading …