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CONCRETE CONSTRUCTION-NAMELY, CONCRETE WALL FORMS, TIES, SHE-BOLTS; CLAMPS; WALL-FORMING ACCESSORIES; HANGERS; SCREED SUPPORTS; BRIDGE OVERHANG BRACKETS; ANCHORS; INSERTS; TILT-UP ACCESSORIES; REGLETS; BUILDING PRODUCTS NAMELY, DOVETAIL BRICK, FURRING AND STONE ANCHORS, U-TYPE STONE ANCHORS, WALL ANCHORAGE CHANNELS, PLATES AND ANCHORS, WALL TIES, FLOOR CLIPS, EXPANSIBLE REED CLIPS, CHANNEL CLIPS, RIGID REED CLIPS, HAUNCH STIFFENERS,FURRING CLIPS, WALL PLUGS, DRIVE-IN INSERTS, HANGER HOOKS, HANGER INSERTS, DOVETAIL SLOTS ROOF SLAB CLIPS, AND SEAT BRACKETS; SCREED AND LOAD KEY JOINTS; WELDED DOWEL ASSEMBLIES; STAKES; PAVING ACCESSORIES, NAMELY, MUD JACK TUBES, DOWEL BAR TUBES, PAPER TUBING, BAR CLIPS, MAT CHAIRS, DOWELS, AND SPLICE PLATES; AND BAR SUPPORTS