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Recent investigations at Barton Creek Cave have provided a wealth of information toward our understanding of the importance of caves within Maya culture . These advances have provided a wealth of information about the mechanisms underlying amyloid deposition in the brain , including information about the familial forms of AD . We have a wealth of case studies showing good environmental performance is good business . In their various assignments , they accumulate a wealth of knowledge about how to build a part , run an experiment , design an instrument , or calibrate a device , skills that often come from experience outside formal education . Yurchenko was considered one of the most important Soviet defectors in the CIA 's history and provided a wealth of information regarding KGB operations targeted against the United States ( including the information which led to the identification of Edward Lee Howard , as explained above ) . When you get a look at the interior , you 'll see a wealth of storage space . To do so , it offers its users a wealth of training courseware and content , covering such topics as anti-terrorism ; nuclear , biological , and chemical warfare ; emergency first response ; combat skills ; medical training ; and military training . The discussions and the presentations provided a wealth of information . The apprehension of Mr. Khan led authorities in Pakistan to computers that provided a wealth of information about Al Qaeda operations , including the surveillance of the financial institutions .