- General Information Welcome to the School of Packaging web site! How to use this site: The major topics listed in the column at the far left are displayed on every page in this site. At any time, you can click on one of the listed items to find information on that major topic. There is a set of sub-topics for each of the major topics. Sub-topics are shown in the second column. Sub-topics are ...www.msu.edu/~sop