Workers are suspended on a wall of steel reinforcement bars (rebar) as they place the steel into position for one of the concrete piers at the base of the new Devon Tower being constructed at Sheridan and Hudson in downtown Oklahoma City, Tuesday, April 27, 2010.    Photo by Jim Beckel, The Oklahoman ORG XMIT: KOD Steel Reinforcement Bars, Ing Civil, Construction Wallpaper, Cladding Systems, Site Photo