Water circulation

• Parent: Water circulation by anonymous at 2007-11-30_15:25:17

• Derived: Water circulation by anonymous at 2009-01-09_22:36:58

Water -> ice
Water -> steam
Water -> water
water -> ice [label="freezing"]
steam -> water [label="cooling"]
Water [shape=box3d]
{rank = same; ice; water; steam}