Electrical energy is of limited use to us unless we have ways to convert it to beneficial forms of energy.
(Electrical energy; is; of limited use) (we; have; ways to convert it to beneficial forms of energy) Context(we have,List([49, 56))):(we; have to convert; it; to beneficial forms of energy)
we have,List([49, 56))
Electrical energy we we
is have have to convert
of limited use
ways to convert it to beneficial forms of energy
it to beneficial forms of energy