About: http://webisa.webdatacommons.org/54895908

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	The techniques related to different types of roofs are covered on a chapter-by-chapter basis, and equipment purchases and safety concerns are also reviewed.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net