… used in dentistry for taking dental impressions. They consist generally of wax, plastics or gutta-percha, … and fillers (e.g., powdered mica) and are usually coloured. They may be hard or slightly soft. These preparations …
… to be joined and the solder itself from oxidation. They have the property of dissolving the oxide which forms … are classified in the heading only when : (a) They contain other constituents as well as metals. These … the auxiliary preparations described in (2) above; and (b) They are put up in the form of powders or pastes. …
… or for other technical uses : (1) Transmission or conveyor belting for machinery (including plaited belting) … belting presented with the machines or apparatus for which they are designed, whether or not actually mounted, are to …
… of certain enzymes (pepsin, papain, pancreatin, etc.). They are usually white or yellowish powders and, being very hygroscopic, they are normally packed in airtight containers. Peptones …
… with different coloured pile threads forming a pattern. They are, however, also made on mechanical looms and are … use. These products are mainly of Oriental origin (Iran, Turkey, Turkestan, Afghanistan, Pakistan, China, India), or …
… (A) HYPOCHLORITES These are the most important; they are mainly used for bleaching (“bleaching chlorites”). They are unstable salts, which deteriorate in the air; they …
… covers all ball, roller or needle roller type bearings. They are used in place of smooth metal bearings and enable friction to be considerably reduced. They are generally fitted between the bearing housing and …
… the products cited above fall within the heading only when they are : (A) Single substances which are : (i) … that is uniformly divided up into the quantities in which they will be used, e.g., tablets, small envelopes put up … for retail sale and put up with any indication that they are ready for use in photography, whether by label, …
… the same metal or of dissimilar metals) pressed together. They are mainly used in certain motors or pumps, or for … high-pressure leakage in the machine or apparatus on which they are mounted, resisting the pressure and stress exerted …
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