Gauge Pruning : A method of determining the pruned height of a tree by measuring stem diameter. When the caliper-type gauge fits the stem, that is the top of the lift
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}