… and for photographic recording of the image. (6) Control stands and panels bearing the elements controlling and … technique (examination of fumes, dust, textile fibres, colloids, etc.; examination of the structure of metals, …
… of starches through the action of heat, chemicals (e.g., acids, alkalis) or diastase, and starch modified, e.g., by … either by the degradation of starch by hydrolysis with acids or enzymes, the resulting product being termed …
… for a number of purposes (for bells, telephones, hearing aids, cameras, watches, calculators, heart pacemakers, radios, toys, portable lamps, electric prods for cattle, etc.). Cells may be grouped together in …
… or other substances. Tree stumps and roots of special woods, and certain growths such as those used for making … or may be used as such, e.g., as roofing timber. Certain kinds of timber (e.g., teak) are split by wedges or hewn …