You can definitely overdo it, and -20C would probably do that. Most electronics, not just computers have a temperature range, including a minimum and maximum.
No. The adaptor will overheat.
The wiring could overheat and catch on fire.
A guard is a device designed to prevent injury from rotating machinery.
There will be sparks and the device will stop working
Assuming that "extended" means "beyond the manufacturer's recommended limits", as with any device which generates heat, overuse, abuse, or misuse, can overheat and damage a microwave oven at some point.
Intra-Uterine Device. It is a device implanted in the uterus to prevent pregnancy.
True
A firewall
I wouldn't recommend it ! If the device needs to draw more current than is available - the adapter could overheat, posing a fire risk.
its a Device that sits inteh end of a scope to prevent prevent scope reflection
No why would you anyway
Uterine. It stands for Intra-Uterine Device - A contraceptive device to prevent pregnancy.