About: http://webisa.webdatacommons.org/401554288

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	These lasers, such as the excimer laser and the copper vapour laser, can never be operated in continuous wave mode.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org