use them safely = Las caídas desde escaleras pueden ser mortales : úselas de forma segura United States Occupational Safety and Health Administration, text dcu 2013 monographic eng spa 1 online resource (12 pages) : illustrations English and Spanish. Falls (Accidents) Prevention Ladders Safety measures Industrial safety L 35.2:F 19/2/SPAN./ENGL. L 35.2:F 19/2/SPAN./ENGL. https://purl.fdlp.gov/GPO/gpo41181 https://www.osha.gov/pls/publications/publication.athruz?pType=Industry&pID=89 https://www.osha.gov/Publications/OSHA3625.pdf https://purl.fdlp.gov/GPO/gpo41181 https://www.osha.gov/pls/publications/publication.athruz?pType=Industry&pID=89 https://www.osha.gov/Publications/OSHA3625.pdf GPO 131101 20230530102127.0 000909925 eng