… 90.01 to 90.12 or 90.15 to 90.30; in particular, the following are therefore excluded : (a) Astronomical … of heading 90.30 . (ij) Automatic regulating or controlling instruments and apparatus ( heading 90.32 ). (I) … stress and strain . They are based, for example, on the following principles : (i) Variations in the resistance of …
… 7215.10 - Of free-cutting steel, not further worked than cold-formed or cold-finished 7215.50 - Other, not further … bars and rods of iron or non‑alloy steel twisted after hot‑rolling ( heading 72.14 ). (b) Hollow drill bars and rods ( heading 72.28 ). (c) Products …
… as amorphous masses, as a powder or in white crystals; insoluble in water. Mercurous chloride is used also in … white needles. Soluble in water (especially when hot); a violent poison. It is used for “bronzing” iron, for …
… order to make them suitable for certain purposes, such as decolourising, gas or moisture adsorption, catalysis, … or free chemical bonds saturable by organic or inorganic molecules (chemical adsorption). These products are … they establish powerful electrostatic interactions with colloids, facilitating or inhibiting their coagulation, and …
… “extractors” operating on the same principle as the household lemon-squeezer, or by pressing which may or may … or grinding (for apples in particular) or by treatment with cold or hot water or with steam (e.g., tomatoes, … liquids thus obtained are then generally submitted to the following processes : (a) Clarification , to separate the …
… 7216.10 - U, I or H sections, not further worked than hot‑rolled, hot‑drawn or extruded, of a height of less than … - Angles, shapes and sections, not further worked than cold-formed or cold-finished : 7216.61 - - Obtained from …
… direct reading on a graduated stem, the specific gravity of solids or liquids, or some arbitrary value related to … Bates, Gay‑Lussac, Richter, Tralle, Sikes, Stoppani, etc.). Nicholson’s hydrometer is used for solids. The heading does not cover : (a) Instruments which …
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