A secondary assembly drive of an internal combustion engine and a method for operating same are provided. The filter element collapses into the outer end of a catheter for deployment and retrieval through a vascular system of a patient. The boundary and molding conditions are corrected when the calculation does not converge. The second wireless protocol circuitry sends second signals according to the second wireless protocol. A corresponding method is also disclosed. Compounds of the invention inhibit UDP-galactopyranose mutase and have activity as inhibitors of microbial growth of microorganisms which contain this enzyme and particularly those microorganisms in which this enzyme is responsible for the incorporation of galactofuranose residues, particularly for uridine 5\u2032-diphosphate galactopyranose mutase.