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
Symbols and conventions used in welding documentation addition to the symbols, the following abbreviations are commonly used in North America: Symbols and conventions used in welding documentation The symbols and conventions used in welding documentation are specified in national and international standards such as ISO 2553 "Welded, brazed and soldered joints -- Symbolic representation on drawings" and ISO 4063 "Welding and allied processes -- Nomenclature of processes and reference numbers". The US standard symbols are outlined by the American National Standards Institute and the American Welding Society and are noted as "ANSI/AWS". Due in part to the growth of the oil industry, this symbol set was used