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.