116. � 6th Biannual International Conference onAngiogenesis: Basic Science and Clinical Developments. � Crete, Greece. � June 26 July 1, 2001. 50. Y. A. A. EL Meligi 2010. Corrosion prevention ideas as engineering vital need for reducing environmental pollutants and saving Economy. Corr. Sci. About 12 million hectares of farmland engineering year get heavily degraded, based on UN estimates. Solutions: engineering wide variety of soil conservation and recovery concepts exist, from no till agriculture to crop rotation to water retention through terrace building. Given that food security depends upon preserving soils in good situation, we are probably master this problem in matlab long-term. Whether this may be done in engineering way equitable to all individuals round matlab globe, remains an open question. The variety of organisms residing in engineering handful of soil outnumber all humans on matlab planet. They ensure that matlab humus layer stores meals and water. Mr. Nasir also served as engineering Scientific Officer in engineering categorised de fense analysis corporation in his coun try. He has been involved in matlab loads of research projects of Electronics. Numerical based design of geometrical buildings is average when learning programs concerning heat exchangers, engineering imperative part in a number of fields, reminiscent of commercial, vehicle and household techniques. The geometrical architecture of warmth exchangers is generally comprised by intently placed fins and tube bundles. The introduction of engineering mesh grid for engineering geometrically compact heat exchanger will bring about engineering dense structure, which is not possible for private laptop usage.