… with or without narrative texts, which contain printed textual questions or exercises not subsidiary to their primary use as workbooks and usually with spaces for completion in manuscript are, …
… which is concentrated by a reflector. Slides may be changed manually, semi‑automatically (by means of an electromagnet … (other than cinematographic) enlargers and reducers . These usually consist of a light source, a diffusing screen or a …
… Mechanical singing birds . These are small automatons usually enclosed in a cage. A spring‑operated (clockwork) motor in the base of the cage actuates a set of pistons and bellows thereby producing a …
… (6) Confinement beds (sometimes called birthing beds), usually consisting of a lower part with a basin which slides … dental appliances of heading 90.18, with mechanisms (usually telescopic) for raising as well as tilting and …
… are excluded (see Note 6 to this Chapter); these usually fall in Chapters 50 to 55 , 58 or 60 . Examples of … drying oil. This group covers oilcloth which is a fabric, usually of cotton or linen, coated on one or both sides with …
… surfaces or banks) by means of an adjustable grading blade, usually mounted within the wheel base. (C) Scrapers . These … in which the scraper body incorporating the cutting edge is situated between the two tracks. This heading also includes …