Shoe size technical specification from International Standards Organisation. It contains three conversion tables (for adults and children) which feature major shoe sizing systems (e.g., Mondopoint, United States, European, United Kingdom, China, and Japan). Each table is based on actual foot length measurement (insole) in millimeters; typical last length ranges are also included. The standard includes conversion tables for Mondopoint (USSR/Russian/Chinese/Japanese/Korean systems) using length steps of 5 mm and 7.5 mm, European Paris point system, and UK 1/3 inch system. The standard has also been adopted as Russian GOST R 57425-2017. The standard is maintained by ISO/TC 137, which also developed ISO/TS 19408:2015
ISO 6709 Longitude is a number preceded by a sign character. A plus sign (codice_2) denotes east longitude or the prime meridian, and a minus sign (codice_3) denotes west longitude or 180° meridian (opposite of the prime meridian). Rules about the number of digits are the same as for latitude. The CRS identifier begins with "CRS". There are three styles: The example of original Annex H always use "CRSWGS_84". ISO 6709 ISO 6709 "Standard representation of geographic point location by coordinates" is the international standard for representation of latitude, longitude and altitude for geographic point locations. The first edition (ISO 6709:1983) was