Making of Hydroponics System Test Type

March 19, 2014

         Cut PVC (polyvinyl chloride) pipe and sanding the cut edges.

         Bond drain caps to the edges.

March 28, 2014

      Drill four holes in the pipes and make eight rings for the holes.

     Bond the rings to the pipes and connect a water supply tube.

April 4, 2014

      Drill small holes in hard tubes for aeration and attach micro-porous rubbers and weights to the tubes.

     Attatch the tubes to the PVC pipes, and check air supply.

April 16, 2014

         Cut and whittle wooden materials. After frame them, install clasps.

April 23, 2014

      Paint the frame black and renovate the research room, simultaneously.

April 24, 2014

      Paint veneers.

      Assemble the system temporary.

April 28, 2014

      Attatch casters and wrap keep-warm sheets around the PVC pipes.

      Install electrical parts and veneers to the system.

April 30, 2014

      Set up a reflector and a water tank, then start a trial operation.

May 2, 2014

      Temporary treatment with gummed cloth tape to prevent warter leakage from the drain caps.

      Restart the operation.

May 7, 2014

   EVA-01 TEST TYPE completed!