Cut PVC (polyvinyl chloride) pipe and sanding the cut edges.
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.
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.
Cut and whittle wooden materials. After frame them, install clasps.
Paint the frame black and renovate the research room, simultaneously.
Assemble the system temporary.
Attatch casters and wrap keep-warm sheets around the PVC pipes.
Install electrical parts and veneers to the system.
Set up a reflector and a water tank, then start a trial operation.
Temporary treatment with gummed cloth tape to prevent warter leakage from the drain caps.