For some time past the commercial and industrial waste management act is in force in Germany. However, only a few enterprises put on innovative product cycles. That economic management in cycles is realizable not only technically, but also economically will be shown in this book by numerous practical examples. Those examples should encourage the enterprises to take up the challenge of the "economic management in cycles" also for their products and services. The more enterprises will be following this example the more they and the environment, too, will benefit.
