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<http://webisa.webdatacommons.org/246732518>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/246732518>	<http://www.w3.org/ns/prov#value>	"The slabs may be of square, rectangular, hexagonal or other shape enabling their abutment to form a continuous and extended surface." .
<http://webisa.webdatacommons.org/prov/413762822>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/246732518> .
<http://webisa.webdatacommons.org/prov/12234486>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/246732518> .