Volume Removed - Publisher's Disclaimer

This article has been removed: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).Further to an investigation the International Conference on Advances Science and Contemporary Engineering 2012, Procedia Engineering, Volume 50, has been removed by the publisher due to insufficient assurances by the programme organisers that the professional ethical codes of publishing and standards were applied consistently.Where the copyright in individual papers was transferred to the publisher, these transfers are now considered null and void, and revert back to the authors.For author enquiries please contact: oxfordcopyrights@elsevier.com.