each joist 7 and 8 be provided with at least a pair of lifting lug rocker members 14 the lifting lug rocker members 14 provide additional lateral stability to maintain the joists 7 and 8 in proper position and alignment when the concrete is poured as well as providing the attachment means which allow the hardened concrete panel member 13 to be lifted from the mold 99 and inverted for storage or use the lifting lug rocker members 14 preferably comprise a pair of leg members 15 composed of rebar or similar material which extend outward and downward from a joining plate 26 affixed by welding or other means to the bottom chord 13 leg ends 20 resting on mold bottom 1 a lateral joining member 17 also composed of rebar or the like is permanently attached by welding or other suitable means to the leg members 15 adjacent the leg ends 20 for reinforcement during handling a longitudinally extending reinforcing member 16 may be connected by welding or other suitable means to opposing seat members 6 lateral joining members 17 of lifting lug rocker members 14 and to the top apices 19 of each web member 10 metal weld.