Sheeting 6 : Vertical timber boards or steel trench sheets placed against the face of an excavation to give it support, and held in place by struts and walings as required
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}