… - For weaving fabrics of a width exceeding 30 cm, shuttle type : 8446.21 - - Power looms 8446.29 - - Other … 8446.30 - For weaving fabrics of a width exceeding 30 cm, shuttleless type This heading covers weaving machines for … broché work). Other looms have devices for changing the shuttles (or the bobbins in the shuttles), thus introducing …
… consist essentially of a light‑tight chamber, a lens, a shutter, a diaphragm, a holder for a photographic plate or … Stereo cameras , equipped with two identical lenses and a shutter which exposes two images simultaneously. (2) … (3) Recording cameras . These cameras generally have no shutter, the film moving continuously behind the lens. They …
… this heading covers : (A) Metal sulphites ‑ salts of sulphurous acid (H 2 SO 3 ) (which exists only in aqueous … hydrogen sulphite; oxidises rather rapidly, especially in a humid atmosphere. Used for the same purposes as the acid …
… circuit is closed and a relay comes into operation. (C) Humidity regulators , sometimes also called humidistats , are instruments for automatically controlling …
… of any other machine or appliance. Example : Air humidification and dehumidification are individual functions … of an articulated structure comparable to that of the human arm, mounted on a base in a horizontal or vertical … assembling, metal trimming, etc. They are replacing humans in tasks performed in a hostile environment (with …
… yellow berries, etc.), annatto seeds and pulp, walnut hulls and almond hulls. (5) Gall nuts : Aleppo galls, Chinese galls, Hungarian galls, pine galls, etc. Gall nuts are … varieties of dwarf palm trees (particularly the Chamaerops humilis ). (4) Eel‑grass (e.g., Zostera marina ), a variety …
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