About: http://webisa.webdatacommons.org/285976653

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	Metal fragments, sulfur from lubricants, polishing and grinding compounds, and other contamination are normal and unavoidable parts of metalworking.
http://www.w3.org/ns/prov#wasQuotedFrom	productionmachining.com