set of options set of orders set of parallel set of parameters set of parents set of parts set of people set of performance set of personal set of photographs set of photos set of physical set of pictures set of pipes set of plans set of plates set of players set of points set of policies set of policy set of positive set of possible set of potential set of practices set of primers set of principles set of principles and rules set of prints set of priorities set of problems set of procedures set of processes set of products set of programs set of projects set of properties set of proposals set of protocols set of provisions set of questions set of random set of real numbers set of recommendations set of records set of reference set of reforms set of regulations set of related set of relations set of relationships set of remains set of reports set of requirements set of research set of resources set of responsibilities set of results set of rights set of rings set of risks set of rules set of safety set of samples set of scales set of security set of shared set of sheets set of skills set of small set of social set of software set of solutions set of songs set of special set of specific set of specifications set of stairs set of standard set of standards set of states set of statistics set of steak set of steps set of strategic set of strategies set of strings set of studies set of symbols set of symptoms set of tables set of targets set of tasks set of technical set of techniques set of technologies set of teeth set of terms set of test set of tests