21.   The seasonal performance might be improved to some extent by using a wind turbine as the energy source.

22.   The use of statistical process control by world class manufacturing companies shows how non-financial information can be used to improve performance.

23.   The water companies will have to improve the performance of their sewage works or risk other claims.

24.   These changes significantly improve the performance of the engine.

25.   They invited state employees to voluntarily submit proposals for projects to improve performance.

26.   They needed to improve organizational performance with the equipment and the people at hand.

27.   Until attitudes at work are changed, attempts to improve performance are likely to prove futile.

28.   Until these patterns are changed or eliminated, any attempt at improving individual performance is likely to prove futile.

29.   When provided with feedback-particularly if they had received little feedback previously-employees al-most inevitably improved their performance.

30.   Samuel trained every day in order to improve his performance.