Problem statement: usage of pressure (application of weights) ...for rolling
                   or operating a lever ...inturn ...roll a drum 

Opportunity :  further to as published in the 'opportunity_integrated_EDI_fax_scanner_portable_computing.txt'
               on this URI or URL

               ...abilit to rotate or roll a drum in uni-direction.

              Ex usages: shoe polish units ...self sustaining ...or that doesn't require consumption
                         of fuel ...induction of energy into a mechanical system
              

Note: The above problem statement having been encountered in various scenarios
      and detailed in various 'Proof of concepts' as mentioned in 
      
       http://uk.geocities.com/ravivenkatus/projects.pdf
       http://ravishankarkv.tripod.com/projects.pdf
        ....apply appropriate
      'use-case' modeling, rationalize and arrive at a workable and feasible 
       solution both commercially and techinically viable.


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