About: http://webisa.webdatacommons.org/324340361

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	In addition, interlocks can be provided so that the light source 40 is not activated unless the apparatus 50 is in place, or other appropriate safety measures are taken.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com