An electrode of some type such as a nail can be passed through each stopper and connected to a high-voltage, low-current source of electricity.
(An electrode of some type such as a nail; can be passed; through each stopper) (An electrode of some type such as a nail; connected; to a high-voltage, low-current source of electricity)
An electrode of some type such as a nail An electrode of some type such as a nail
can be passed connected
through each stopper
to a high-voltage, low-current source of electricity