By the time you receive the diagnosis for the condition of hydrocephalus, it is likely that you or your child have already been through a gamut of tests. This first of a three-part series describes the process of being diagnosed with hydrocephalus.
The ISO 216 standard defines A5 size to be 148mm Ã 210mm, which is also exactly half the size of an A4. Usually A5 sized paper will be used for booklet printing, flyers, leaflets, advertisements, or if on heavier stock, it can be scored and folded to make A6 sized greeting cards. In the ISO paper size system, the height-to-width ratio of all pages is the square root of two. In other words, the width and the height of a page relate to each other like the side and the diagonal of a square. This aspect ratio is especially convenient for a paper size.
Common sizes used in the office and the home are A4 and A3 (A3 is the size of two A4 sheets). The density of paper ranges from 250 kg/m3 (16 lb/cu ft) for tissue paper to 1,500 kg/m3 (94 lb/cu ft) for some speciality paper. Printing paper is about 800 kg/m3 (50 lb/cu ft). Paper may be classified into seven categories: Printing papers of wide variety.