Cartridge 3 : A container for propane, butane, or LPG which is filled during manufacture and not intended to be re-filled. Known also as a one-trip or disposable container
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}