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In the United States , the public sector encompasses universal , critical services such as national defense , homeland security , police protection , fire fighting , urban planning , corrections , taxation , and various social programs . There are a number of software packages available to automate some elements of policy-based management . Here are five steps for securing Bluetooth devices in the enterprise . Subsequently , he held senior leadership positions in the company 's various businesses , including pharmaceuticals , consumer medicines , nutritionals and medical devices . Take a walking tour of the town 's squares and narrow passages , which lead into the Grote Markt , where guildhalls once bustled with Antwerp 's 17th-century merchants and tradesmen . A native of Wilmington , Del ., she and her husband , Michael , live in Greenville , Del ., with their daughter and twin sons . The new application development platform will enable delivery of customized text and graphics to users of wireless devices , such as mobile phones , personal digital assistants ( PDAs ) , and handheld computers .