And so we have this example of reclaiming copper from used microwave ovens. The primary source of ... copper might not be something you have a burning need to possess. But bearing in mind that ...

Since it came into common use in the 1980s, the microwave oven has been a total game changer ... the texture you want and ...

Clearly, as your bog standard microwave oven can only handle at most one kilowatt; the ‘oven’ needed a bit of an upgrade. A 16 kW water-cooled magnetron. Why not over-drive it to 20 kW for fun?