Total quality management of what TQM entails. During the 1990s, standards bodies in Belgium, France, Germany, Turkey, and the United Kingdom attempted to standardize TQM. While many of these standards have since been explicitly withdrawn, they all are effectively superseded by ISO 9000: Interest in TQM as an academic subject peaked around 1993. The Federal Quality Institute was shuttered in September 1995 as part of the Clinton administration's efforts to streamline government. The European Centre for Total Quality Management closed in August 2009, a casualty of the Great Recession. TQM as a vaguely defined quality management approach was largely supplanted by the ISO
Symbols and conventions used in welding documentation 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 during the 1990s in about 50% of the world's welding operations. An ISO