1. 
   Shims
   Steel plate used to take up tolerance, usually referring to column base plates or bearings.
   Found op http://www.corusconstruction.com/en/design_guidance/the_blue_book/
   
   
2. 
   Shims
   Devices used as fillers to ensure accurate positioning of bolted pieces (such as rails).
   Found op http://www.thyssenkruppelevator.com/glossary.html
   
   
3. 
   shims
   1) Levelers 2) Leveling devices 3) Leveling wedges 4) Wedge-shaped inserts 5) Wedged fillers 6) Wedges 7) Wedges or washers, perhaps
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/shims/1
   
   

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