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This is an instance of the Set Cover problem , which is NP-hard , so we do not know of any good way to realize your wish . Users have access to the Jefferson Project Web site , which contains much local content . It should be stressed that , while the examples themselves may be trivial this should not be taken to indicate any specific limitation in Schematron , which is capable of handling much more complex schemas . This delivery system is a genetically engineered biological bandage , which is capable of providing growth factors to the wound and accelerate repair . A connection box for communications cabling , especially useful for fiber optic connections , which is capable of being mounted entirely within a standard depth wall or column framing . " asks Paula Jameson , a technology resource teacher at Ohio 's Green Middle School , which rotates mobile handheld labs among classrooms . Establishing a profile allows UNCG faculty to take advantage of an alert service , that provides weekly electronic notifications about new or updated information in the COS Funding Opportunities database and to receive funding announcments directly from the Office of Sponsored Programs . The third component is the intermedia transport parameter predictor ( ITPP ) , which is capable of estimating parameters such as dry deposition velocity , wet scavenging coefficients for chemicals in particle-bound and gaseous forms , chemical-specific water / air mass transfer coefficients , and half-lives for chemical volatilization from soil .