A magnetic system for controlling the operating mode of an overrunning coupling assembly is provided. The compounds are useful as chloride channel blockers. Contact trenches are formed in the dielectric layer so as to expose at least a portion of the sourcedrain regions. The data is saved on the memory chip for recovery. The first full bead and the second full bead have top portions facing in opposite directions. The fluids are particularly useful as solvents, for printing inks, drilling fluids, metal working fluids and as silicone extenders.