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One to three exposures to lithium chloride treated lamb meat ( to induce nausea and vomiting ) were sufficient to prevent captive coyotes ' pursuit of live lambs introduced to their pens . The author discusses 12 different insects , from dragonflies to mosquitoes . In the past , problems have arose when individual instructors have decided on their own to continue to use out-dated materials such as an outdated student manual or an old student test . The Business and Public concentration provides skills and insights that are useful to future private and public managers , lawyers , economists and political scientists as well as policy analysts . The insurance and risk management concentration examines the techniques useful to corporations , organizations and individuals in minimizing the potential financial losses arising from their exposure to risk . The approved video list and procedures to obtain film is in Annex I. Videotapes are valuable training aids .