Just like everything else. Put them in the microwave.
Dont put it in a microwave
you put it in the microwave. you put it in the microwave.
you can find the Basalt rock and where near a volcano or where ever somebody had put it.
If you put them in the microwave for 30 seconds then take them out and put them on, they form to your feet, that is why people microwave their shoes.
anything you want its your microwave
put the roaster in the microwave
Of course you can but the real question is should you put a rock in the microwave.
if you put a metal in your microwave it will create a spark and when you hold it it will create a shock so don't put any metals inside the microwave it is dangerous
You can put ANY type of glass in a microwave! Just be careful not to put it near a stove .
Some plastic tubs are microwave proof whilst others are not. The tub should have writing on it or a label that it came with to indicate if it can be put in the microwave. If you can put it in the microwave remember to remove the lid slightly or completey.