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"Propagation engineering in wireless communications covers the basic principles needed for understanding of radiowaves propagation for common frequency bands used in radio-communications. This book includes descriptions of new achievements and new developements in propagation models for wireless communication. The book is intended to bridge the gap between the theoretical calculations and approaches to the applied procedures needed for radio links design in a proper manner. The authors intention is to emphasize propagation engineering by giving sufficient fundamental information and then going on to explain the use of basic principles together with technical achievements in this field."

"this aim of this research is to develop an assessment method for hazardous substance value in automotive components for supporting green manufacturing. basically, the green manufacturing focuses od reducing environmental risks and impacts of industrial activities through elimination of resource waste, pollution and use of material containing hazardous substances. in this research, the method will be used to assess the the hazardous substance contained automotive components quantitatively. based on the values, the hazard level of components could be compared relatively. this research has retrieved hazardous substances were assessed based on the hazardous materials identification system (HMIS). furthermore, the more information would be processed using a weighting method to obtain a single value. this research has assessed several automotive components by using the method as care studies. the result of assessments are brake pad 6.6, brake pad with asbetos 7.6, brake shoes with asbetos 13.2, clutch disc 9.2, and clutch disc with asbetos 8.6."