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Such data are outlined by the following table:CountryTotal market million of dollarsTotal imports million of dollarsImports from U. S. million of dollarsU. S share2002 2004%Change 2002 2004%Change 2002 2004%Change Australia 950 1400 47% 380 560 47% 185 285 54% 51% Source: 4239321. pdf. The U.

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With modern tools such as data visualization, it is relatively more simple to represent large quantities of data in visually appealing ways in a condensed…… Introduction to Security MeasuresThe history of security is fairly lengthy.

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As Jennifer Elsea notes, “the use of private security contractors PSCs to protect personnel and property in Iraq and Afghanistan has been a subject of debate in the press, in Congress, and…… Private Security Officers Ethical ResponsibilitiesPrivate Security OfficersThe objective of this study is to examine the importance of ethics in security.

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>motion sensor

Many surveillance cameras and audio bugs emit radio waves and can be identified by a standard RF radio frequency detection device.

>wireless security system home

More advanced home alarm systems may also contain vibration sensors to detect when glass has been broken by measuring the vibrations caused by the breakage.