ISO 9000 3 – Engagement of people Principle 4 – Process approach Principle 5 – Improvement Principle 6 – Evidence-based decision making Principle 7 – Relationship management ISO 9001:2015 Quality management systems — Requirements is a document of approximately 30 pages which is available from the national standards organization in each country. Only ISO 9001 is directly audited against for third party assessment purposes. Contents of ISO 9001:2015 are as follows: Essentially the layout of the standard is similar to the previous ISO 9001:2008 standard in that it follows the Plan, Do, Check, Act cycle in a process-based approach, but is now
ISO 31 ISO 31 ISO 31 (Quantities and units, International Organization for Standardization, 1992) is a deprecated international standard for the use of physical quantities and units of measurement, and formulas involving them, in scientific and educational documents. It is superseded by ISO/IEC 80000. The standard comes in 14 parts: A second international standard on quantities and units was IEC 60027 . The ISO 31 and IEC 60027 Standards were revised by the two standardization organizations in collaboration (, ) to integrate both standards into a joint standard "ISO/IEC 80000 - Quantities and Units" in which the quantities and equations used with