Shoe size characteristics of a system of shoe sizing to be known as Mondopoint" and ISO 3355:1975 "Shoe sizes - System of length grading (for use in the Mondopoint system)". ISO 9407:1991, "Shoe sizes—Mondopoint system of sizing and marking", is the current version of the standard. The Mondopoint system is based on average foot length and foot width for which the shoe is suitable, measured in millimetres. The length of the foot is measured as horizontal distance between the perpendiculars in contact with the end of the most prominent toe and the most prominent part of the heel. The width of the
ISO 10303 and different speed in the development processes, the splitting into several APs was needed. But this splitting made it difficult to ensure that APs are interoperable in overlapping areas. Main areas of harmonization are: For complex areas it is clear that more than one APs are needed to cover all major aspects: STEP programs ISO 10303 ISO 10303 is an ISO standard for the computer-interpretable representation and exchange of product manufacturing information. Its official title is: "Automation systems and integration — Product data representation and exchange". It is known informally as "STEP", which stands for "Standard for the Exchange of