Water quality — Determination of calcium content — EDTA titrimetric method
Describes a procedure for ground waters, surface waters and drinking waters. It can also be used for municipal and industrial raw waters, provided they do not contain interfering amounts of heavy metals. The procedure is not applicable to sea waters and other similar waters having a high concentration of salts. It is applicable to waters with contents ranging from 2 to 100 mg/l. For higher…
Textile machinery and accessories — Knitting machines — Classification and vocabulary
Gives a classification and lists equivalent terms in English, French and Russian, for knitting machines used in the textile industry. Applicable to knitting machines in which fabric is formed by intermeshing the loops of yarn. Does not cover stitch forming machines used for reinforcement of basis fabrics, already present in a sheet-like form, by intermeshing loops or stitches.
Industrial plate screens — Part 1: Thickness of 3 mm and above
Describes three patterns using round (circular) and square perforations in low carbon steel plate of 3 mm thickness and above. The sizes of holes range from 125 to 3.15 mm inclusive. Five ratios of pitch to hole are prescribed which result in nominal open areas ranging from about 64 to 23 %.
Pièges mécaniques, indolores, à détente, pour animaux
S'applique aux pièges mécaniques à dètente qui, une fois
installés ou appliqués de manière appropriée, tuent les animaux
de façon indolore. Ces pièges sont destinés à être utilisés sur
terre ou dans l'eau, surtout par l'industrie de la fourrure.
Applies to mechanically powered, trigger-activated killing traps
that, when properly set or applied, will render a humane death to
intended animals. The traps are for use on land or in water,
primarily by the fur industry.
