which parts are metal and why are they used??and what metals are they made of?
It contains one motor made of iron and copper.
The basic unit in vacuum cleaners is a motor with steel housing for safety, windings of copper, brushes of copper -impregnated carbon. The rest of the cleaner can be made of almost anything. Copper for the windings for conductivity, steel housing in case the 3000 rpm parts break apart.
