1
The air flows
the filter
the condenser, where it turns into liquid water.
2
Put the coffee beans
to
the coffee grinder.
3
The air filter keeps dirt
of the car engine.
4
Ultra-violet light kills bacteria that live
dirty water.
5
Hot water turns into steam. The steam rises
and forms water
the top of the tank.
6
The liquid passes
the cold area and cools to 13 degrees centigrade.
7
Pour the dirty water
the bucket into the clay pot.
8
Hot air rises but cold air sinks
.