Problem statement :   Exploit a steam enginer ...as in rail-engine viz. the
                      source water as well as water vapor.

Opportunity :

      a)      on warships ...ability to use vapor pressure ...say kind of ability
              to launch or fire load ...kind of pellet or a bullet or as in a cannon's
              used in defence equipments.


      b)      harvest pure and safe drinking water over sea from filtered ...water from the seas.

     

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.