POA's What are they and why are they used??

"POA's. What are they and why are they used?? Topic 0004. By: Walt Iciek and 
Nadja Koehler. What is a POA?? Program of Activities. Serves as a 'game plan' ..."

http://www.agriscience.msu.edu/0000/0004/0004A/POA.ppt