Engineering Journal (EJ) is a peer-reviewed, open-access, and bi-monthly online-published international journal for the complete coverage of all topics in engineering related areas. EJ consists of two major sections in the engineering field: Environment, Energy and Natural Resources (EJEEN), and Modern Engineering Technology (EJMET). EJ aims to be recognized as one of the most reliable sources for today’s engineering professionals in both academia and industry. EJ provides a publication vehicle in emerging areas of engineering, new trends in technology, public policies, and engineering challenges. EJ is published upon twenty years’ commitment to highest quality editorial contents and a dedication to advanced areas of engineering.