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Access control is really a system enabling authorities to regulate access to areas and resources in the given physical facility or computer-based information system. Access control is, the truth is, perhaps the most common, everyday phenomenon. For example, a lock on the car door is actually a kind of access control. The PIN over a bank's ATM product is another type of access control. Even nightclub bouncers, browsing front of an door, are another example of (perhaps) a much more primitive mode of access control. Using an access control mechanism is vital when persons attempt to secure confidential, important, or sensitive information and equipment.
The 2010 Audi R8 lineup gains a new, better model. This 2-seat exotic car has Audi's quattro all-wheel drive as well as a mid-mounted engine. The entry-level 4.2 has a 420-horsepower 4.2-liter V8 engine. New for 2010 will be the 5.2, which carries a 525-horsepower 5.2-liter V10. Both models can be obtained which has a 6-speed manual transmission or Audi's R tronic 6-speed automated manual. Available security features include ABS, traction control, antiskid system, side airbags, and knee airbags. Standard features on all R8 models include leather upholstery, heated seats, and wireless cell-phone link.
Indication of area: the size of the metal object detected can be displayed, and the requirement of the operator's research to determine whether it meets the excavation requirements;
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