11.   Many commercial undertakings failed owing to high energy costs, technical problems or poor acceptability.

12.   Provides an awareness of the benefits and problems of mechanisation in the rural sector through labour substitution and high energy systems.

13.   A bolt of high energy ripped a hole in the door.

14.   They took their name from the bush guerillas who fought with Robert Mugabe during the bloody war of independence and blend high energy guitar with subtle Zimbabwean rhythms.

15.   Their jit jive music keeps the listener moving as it blends high energy, finger-picking good guitar melodies with deep African rhythms and percussion.

16.   Athletes such as Boris Becker are fans of the fruit because it is easily digested to provide an instant energy high.

17.   Modern accelerators tend to be rather large machines to produce the very high energy particles required to produce new particles.

18.   Along with faster growth, high energy prices and a potential for increased efficiency under private management make Brazilian power companies attractive investments.

19.   Although it does not fully include gravity, supersymmetry also seems to allow for the possibility that the other three forces unify at high energies.

20.   Analysts blamed high energy costs.