Facilities Management Chapter Questions

No need for sources. Just clearly answer the following questions in 2-4 sentences and it is okay to keepanswer short and simple. Fairly easy questions as well.
Chapter 2What are the basic activities associated with preventive maintenance?Under what circumstances might it be appropriate for hospitality manager to use contracted maintenance services?What are the possible consequences of failing to update building plans as changes are made?What are some possible measures of facilities department productivity?What are the pros and cons of using these measures?What steps can be taken to improve productivity?
Chapter 3What are some examples of energy load reduction?What five broad areas of opportunity are available for energy conservation and cost savings?Why is employee involvement important to the success of an environmental program?