

Server farms use water to cool computers, it’s like water called computers but on a bigger scale
Aircons condense water from the atmosphere the same way water on your shower mirror happens because the mirror is colder than the fog
If you’re familiar with condensation and the rain cycle it should help you understand further
This microwave is a fairly recent new unit surrounded by all metal already
The only thing that’s plastic is the control panel but I’d doubt they’d leave the area behind that unshielded