1. 
   Lswr
   Low sulfur waxy residual fuel oil (Abbreviation).
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   LSWR
   Low sulfur waxy residual fuel oil
   Found op http://www.encyclo.co.uk/local/21049
   
   
3. 
   LSWR
   London & South Western Railway
   Found op http://www.southernelectric.org.uk/features/segglossary.html
   
   
4. 
   lswr
   1) Low sulfur waxy residual fuel oil
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/lswr/1
   
   

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