For example, an electric current is run through a wire coil with a relatively high electric resistance, thereby converting the electric energy into heat which can be transferred to the space by fans.
(an electric current; is run; ) (an electric current; converting; the electric energy; into heat) (heat; can be transferred; to the space; by fans)
an electric current an electric current heat
is run converting can be transferred
the electric energy into heat
to the space by fans