Girder and Panel building sets

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1	April 2012 "Tower Toiling" MODELER’S NOTEBOOK STAFF EDITOR/WEBMASTER MODELING EDITOR Add to Reading List Source URL: nkphts.org Language: English - Date: 2012-03-13 01:23:40 Real estate Glass Window Framing Girder and Panel building sets
2	BOX GIRDER BRIDGE V.Ryan © On behalf of The World Association of Technology Teachers W.A.T.T. Add to Reading List Source URL: www.technologystudent.com Language: English - Date: 2011-08-11 07:39:52 Structural engineering Civil engineering Box girder bridge Girder bridge Box girder Girder Prefabrication Plate girder bridge Girder and Panel building sets Structural system Bridges Technology