Fittings (Gas Cylinder) 4 : All valves, safety devices, gauges and other attachments that remain fixed to the cylinder at all times except when undergoing periodic re-inspection as required by Regulation 15
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}