<http://webisa.webdatacommons.org/prov/61168475>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/2464755> .
<http://webisa.webdatacommons.org/2464755>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/2464755>	<http://www.w3.org/ns/prov#value>	"For example, it can be made of materials other than plastics materials, eg suitably waterproofed cardboard materials, and it can have sectional shapes other than triangular, eg square or other polygonal shapes, or even circular, the mounting members 40 being correspondingly shaped." .
<http://webisa.webdatacommons.org/2464755>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .