This book covers leading-edge research in a cross-section of fields centring on engineering applications including current research data on applications of high power ultrasonics in materials engineering, design and realisation of drummer robots to perform a mechanical orchestra, the Wave Concept Iterative Procedure (WCIP) method's theory and applications, ESD protection on RF transceivers, industrial products in highway construction, portable wireless handset in emergency light checking, and properties of the error-squared controller.