About: http://webisa.webdatacommons.org/373509652

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	Tends machines that crush, mix, or pulverize materials, such as limestone, shale, oyster shells, clay, iron ore, silica, gypsum, and cement clinkers, used in making cement.
http://www.w3.org/ns/prov#wasQuotedFrom	salaryexpert.com