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spec: One option that may be potentially cost effective is the employment of firms that offer certified lumber inspectors that can grade lumber for use on site . Prerequisites : CSC 221 and CSC 222 . Now we've totally squandered that . The Great Wall of China was built to protect a great civilization from hordes of pillaging Mongols who sought to seize it as their own . One option that may be used is for the receiving establishment to have a letter from its supplier attesting to the fact that product is from cattle under 30 months . " One cellphone that represents considerable advances in " cool " technology is the Belkin WiFi phone for the Skype Internet phone service . One practice that causes this type of overstatement of employment to occur is when an employer reports the number of " active employees " each month . One programme that attempts to detect and to uninstall pop-up programs is available at http://download.cnet.com/downloads/0-10106-108-63806.html . Decisions are influenced by a wide variety of factors ( including Ministers ' values , experience and political judgement ) . The substance is also designed to treat surfaces and steel coil coating , and serve as a corrosion-resistant primer under other resin-coating systems .