Towed Arch : A towed two-wheeled structure of 'A' frame configuration, fitted with a fairlead. For use with tractors without an integral arch and fairlead
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}