B

Metal Building Materials-Namely, Metal Window Frames, Concrete Forms, Form Ties, Locking Brackets, Panels, Angles, Corners, Hinges, Form Braces, Column Clamps, Stiff Back Clamps, Scaffold Brackets, Breakaway Corners, Curved Rails, Form Connecting Angles, Support Gang Form Brackets, U-Clamps, Pick-Up Loops, Hold-Down Clips, Bars for Leveling Concrete Forms, Form Braces, Collapsible Crypt Forms, Gang Form Support and Scaffold Bracket Adapter, Window Well Walls and Window Well Grates

Non-Metallic Building Materials-Namely, Plastic Sleeves, Forming Panels and Plastic Form Ties