What makes a Magnetron dangerous

The real hazard is the beryllium oxide that is contained in the ceramic insulators. They are no hazard as long as it's not disturbed and does not become airborne. Often people are taking them apart for scrap or to get the magnets and may not know that any breaking grinding or cutting may free the beryllium and cause an incurable respiratory health problem called chronic beryllium disease.

Видео What makes a Magnetron dangerous канала HBT