Opportunity : further to as published else where by this individual and as reffered in the
              document below.

               By understanding the properties of a cathode-ray tube  ...viz. emission of 
               electrons ....this can be used for treating water in one of the stages of 
               purification , ...i.e. kill harmful bacteria ... algae ...fungi etc.

             
               Treating or cleaning equipment like syringes ....scissors...scapel etc
               ...boiled or sterilization would be a better or a good idea using or under
               a cathode-ray tube


               Also usage of a cathode-ray tube ...in a microwave oven .
               

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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