Yakan faru sau da yawa cewa sakamako mara kyau shine farkon gazawar, wanda bai dace da abin da ake tsammani ba. Amma idan aka yi nazari na kusa, sakamakon ya zama mai daraja ta wata hanya dabam. Misalin wannan shine binciken ƙungiyar fasaha ta 3M don neman sabon babban manne. Rarraunan mannewa wanda aka haɓaka ya ƙare akan shiryayye azaman gazawar. Bayan shekaru biyar ne aka sami ingantaccen aikace-aikacen wannan ƙirar da ba ta yi nasara ba a farko.