A computer-implemented method for verifying a design includes converting test specifications of the design into a set of constraints defined over variables, such that solutions that satisfy the set of constraints define respective valid test cases for verifying the design. After pre-selecting a new gear, the clutch automatically separates, the activated gear disengages, the engine rotational speed is brought to a target value for the new gear and the clutch, with higher advancing speed, is advanced to an application point at which the transmission input shaft is precisely entrained. The water supply piston is also configured with a full bore to minimize the pressure on the end of the mandrel. This greatly accelerates the staining reaction and preserves water soluble structures such as the granules in basophilic leukocytes. In addition, a method of topically treating wounds using at least one oxidant and at least one photoactivator capable of activating the oxidant followed by illumination of said photosensitizer is disclosed.