System Scaffold : A scaffold consisting of posts with fixed connection points that accept runners, bearers, and diagonals that can be interconnected at predetermined levels
US Department of Labor, Scaffolding eTool: Glossary, Occupational Safety & Health Administration OSHA, Washington, D.C., USA 2010. https://www.osha.gov/SLTC/etools/scaffolding/gloss ary.html, (OSHA/ Scaffolding - Amer) {619}