Arch 6 : Structure on rear of skidder or tractor with a fairlead at its apex, for lifting log ends off the ground. Can be used as a pushing point in machine-assisted felling
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}