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<http://webisa.webdatacommons.org/prov/61168507>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/437567868> .
<http://webisa.webdatacommons.org/437567868>	<http://www.w3.org/ns/prov#value>	"Preferably, the material is a plastic material, such as polycarbonate, which is waterproof and impact resistant." .
<http://webisa.webdatacommons.org/437567868>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .