Sources
- National Safety Council. "Fighting Falls: Ladder safety, Slip Resistance, and How to Keep Your Team Safe on Site." https://www.nsc.org/getmedia/83445369-4145-411b-9b64-1b0d860326eb/ladder-safety050521.pdf.
- National Safety Council. "First Talk: Ladder Safety." https://www.nsc.org/getmedia/66c640c0-274a-4da7-994a-c1176ef74f28/ladder-safety.pdf.aspx.
- National Safety Council. "Make Fall Safety a Top Priority." https://www.nsc.org/workplace/safety-topics/slips-trips-and-falls/slips-trips-and-falls-home?.
- Occupational Safety and Health Administration. "Reducing Falls in Construction: Safe Use of Stepladders." https://www.osha.gov/sites/default/files/publications/OSHA3662.pdf.