About: http://webisa.webdatacommons.org/239471794

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	Increasingly thinner products means there is little room for ribs, while weight reduction efforts mean that traditional stiffening materials such as aluminum or mica are too heavy.
http://www.w3.org/ns/prov#wasQuotedFrom	google.se