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<http://webisa.webdatacommons.org/prov/505934148>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/400510905> .
<http://webisa.webdatacommons.org/400510905>	<http://www.w3.org/ns/prov#value>	"For one thing most of the work is done by the structural engineer and contractor who lay out the basic grid." .
<http://webisa.webdatacommons.org/400510905>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<typepad.com> .