The cartridge head is shot to the scene of a fire through a pistol and the fire extinguishing agent can effectively control the fire after the cartridge head is exploded.

Apple's business model, however, turns this on its head. Apple makes its money from sales of the iPod, not sales of music; the printer, not the cartridge; the razor, not the blade.

A head crash in a fixed hard disk generally destroys the data, whereas the failure of a tape drive or optical disk drive often leaves the data cartridge unharmed.