Safe Load Indicator : A device which, when fitted to a crane, gives a warning of the approach to the safe working load of the crane, and further warning when a the safe working load has been exceeded
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}