About: http://webisa.webdatacommons.org/212630853

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Actually, should be calculated by the NIOSH lift equation which accounts for varying factors such as twisting and frequency, but the base number is 50 pounds.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com