The engineer generally connects the word "innovation'' with epoch-making inventions such as penicillin, the electronic calculator (computer), the CD record, the magnetic suspension railway etc. If one looks at these inventions in more detail they are in fact only the starting point of a continuous innovation process, as it were the first stage, which has still to be followed by numerous further stages until the idea becomes accepted on an industrial scale. In so doing, the sequence of the individual improvement stages is equally important as the initial invention.
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