truss poster - national park service poster...pratt o/a 40,'.ul5 w te,v5/ow howe o/aúo,vals w...

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Page 1: truss poster - National Park Service poster...pRATT O/A 40,'.UL5 W TE,V5/ow HOWE O/AúO,VALS W COMPRES/A' SAWTOOTH Y TO ÆZZOW . HOWE D,'Ä4âVÄL5 W COMPRF55/0N CONNECTIONS K- TRUSS