14: I use diagonal nippers
        
        
          to remove staple heads.
        
        
          15: With the staple heads
        
        
          removed, a small hammer
        
        
          sets the staple shanks
        
        
          flush with the surface of
        
        
          the styrene.
        
        
          16: The staple shanks
        
        
          after being seated with
        
        
          the hammer.
        
        
          staple shanks
        
        
          set flush with
        
        
          the hammer
        
        
          
            16
          
        
        
          
            15
          
        
        
          
            14
          
        
        
          wall. Then, a couple of months later, I noticed that all the glue
        
        
          joints had broken loose!
        
        
          It seemed Latex Liquid Nails wasn't up to the task. I tried solvent
        
        
          based Liquid Nails, polyurethane construction adhesive, ACC, and
        
        
          epoxy. None made a secure wood to styrene bond. Eventually
        
        
          I gave up using glue to attach the styrene backdrop panels and
        
        
          resorted to #4 flat head wood screws. These worked OK until I
        
        
          tore down the layout for a move two years later. The current lay-
        
        
          out's perimeter backdrops are the room's walls. I don't yet know
        
        
          what I'll use for the peninsula's backdrop, perhaps Masonite.
        
        
          A result of all this was a supply of .060" sheet styrene that I'd
        
        
          intended for use in backdrops. This gave me the idea to use it for
        
        
          coved corners. I resisted using glue when it came to mounting