Water circulation

by anonymous at 2008-02-14_03:21:24
Ctrl+G - New Graph Ctrl+D - Derivative
Water -> ice
Water -> steam
Water -> water
water -> ice [label="freezing"]
steam -> water [label="cooling"]
Water [shape=doublecircle]
{rank = same; ice; water; steam
wet -> boats
wet -> water
floating -> boats
transportation -> boats
transportation -> cars
transportation -> busses