Mast 10 : On a forklift, the support member providing the guideways permitting vertical movement of the carriage. it is usually constructed in the form of channels or similar sections providing the supporting pathway for the carriage rollers
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}