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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	A building construction having three levels or floors, is preferably provided using a diameter of about 10 m to 12 m, such as 10 m, 11 m or 12 m.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com