New urokinase inhibitors having a triisopropylphenylsulfonyl residue as an N\u03b1-substituent for 3-amidinophenylalanine are provided. In the alternator a stator core forming the stator is made up of laminations of thin sheets. Shifting the color sequence of the segments of each successive picture among the primary colors so at least the first and last segment of the occurrence of motion artifacts that manifest themselves as a color distortion at the leading and trailing edges of a moving object followed by a viewer’s eye. Computer-aided of said measuring results determined when combined with calculation of ideally corrected ocular lenses or ideally corrected surfaces of the cornea opens up the possibility of manufacturing a patient-specific lens andor achieving ideal correction of the cornea using preferably a topography-supported spot-scanning-excimer laser system. A header bit segment that corresponds to the selected bit pattern may be communicated in place of the plurality of bits associated with the communications flow. The chain support provides an improved arrangement to allow chain 4 to be pulled through the center of the apparatus to a desired length after which the chain is removably secured to the chain support.