Created
          June 10, 2011 13:40 
        
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    provides list of dimensions
  
        
  
    
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  | def dimensions | |
| dimensions = [] | |
| dimensions << height if height | |
| dimensions << width if width | |
| dimensions << depth if depth | |
| dimensions.join(" x ") | |
| end | 
  
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def dimensions
[height, width, depth].compact.join(" x")
end