Note: Peter's modules are being upgraded, the white is a liberal application of Elmer's white glue which in a days time will dry clear. The abuse of movement, set-up, and tear-down, cause the scenery and ballast to loosen, and eventually need extensive repair, or, as Peter has shown, an occasional add of liberal white glues fixes a lot of evil. Thanks for the pictures Peter. 
Other repair, (1.) bent/dented track, we also spend a fair amount of time (2.) painting track, (3.) More elaborate city diorama's seem to need constant work. (4.) Electrical detail always needs some work, especially accessory items. (5.) Face boards, sides of the module, constantly need re-stained and poly coat applied. (6.) Legs and leveling system on occasion need repair, adjustment. All part of the movable, modular world.
IMO, Mike CT.
