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spec: The procurement official can help set up contracts for recycling and disposal of various materials . using encryption and monitoring access at the database level can help lessen the effects of such attacks . World Wide Web . This break can help prevent child abuse . For example , cryptography can help provide data confidentiality , integrity , electronic signatures , and advanced user authentication . He is also a role-model to young writers through his work in Manchester schools with the MMU creative writing outreach team . It seems that even the best thinkers fall into the trap , once in a while , of thinking that if government is not doing something it is not getting done . But an integrator can help keep communications flowing and ensure that its relationship with the agency stays healthy . Muslim scientists led the world in anatomy , physiology , zoology , botany , astronomy , mineralogy , physics and chemistry . At later stages in lactational amenorrhoea , however , although oestrogen secretion remained minimal , follicles up to preovulatory size ( around 20 mm diameter ) were detected by ultrasound [ 9 ] .