It is a fundamental law of nature that energy can never be converted from one form to another 100%, some of the energy is always converted into heat energy during the conversion.
(It; is; a fundamental law of nature that energy can never be converted from one form to another 100%,) (energy; can never be converted; to another 100%) (some of the energy; is converted; into heat energy; T:during the conversion; T:always)
It energy some of the energy
is can never be converted is converted
a fundamental law of nature that energy can never be converted from one form to another 100%,
to another 100%
into heat energy T:during the conversion T:always