Regarding the high rate of scrap production increase in developed and developing countries, governments are issuing legislations to force companies recycling their products after disposal. This fact is clear in Automotive and electrical appliances industry. Currently at the end of life of products, recyclers think how to take advantage of product end of life. This problem originates from product design and development process. In order to achieve environmentally conscious products, these two elements have to be considered i.e. assembly and disassembly.