Structures  from nature and man made /  [videorecording] : 
produced byJohn Davis. 
 - Coquitlam, B.C. :  Classroom Video,  1999. 
 - 1 computer laser optical disc (23 min.) :  sd., col. ;  4 3/4 in. 
<br/><br/> Areas covered: "Tension-catenary, suspension bridge, tension, structures, tents, webs; compression-column, buckling, guy ropes, arches,  tunnels; shear-cutting metal; torsion-failing in torsion; cantilever-tree branches, lights, bridges; bending-re-enforcing, concrete bridges, post tensioning, beams, I beams, bridge construction."  Information quoted from Classroom Video website:http://www.classroomvideo.com.au/Search/Default.aspx?searchtext=structures. 
<br/><br/> "This video provides a range of everyday examples of structures, both from nature & man made which help to clarify, in simple language, the principles underlying the properties of structures." 
<br/><br/> Grades 9-12. 
<br/><br/><br/>DVD format. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Buildings.
<br/><br/><label>Dewey Class. No.: </label>624 .177  / STR