. "2016-05-17T14:12:39"^^ . . "300404715" . . "span (structural element)"@en . "spans (structural elements)"@en . "2016-05-17T14:02:16"^^ . "In architecture and engineering, the divisions, parts, extent, distances, or spaces between supporting elements; for example between the abutments of an arch, the supports of a beam, the piers of a bridge, or the walls carrying a roof or dome."@en .