A process for the carbonylation of ethylenically unsaturated compounds is described. Located at the free end portion of the string is a fastener in the form of a rounded button which includes a notch-like recess that receives the string and that has a restraining element which engages a waist portion situated between two beads in the string. The method includes coupling the first end of the cluster of artificial eyelashes to the eyelid. The database thread updates the persistent data stored in the central database corresponding to the transient object. Further, a buffer layer may be employed to decrease the overall volume of the oil-bearing layer to decrease the effects of swelling in that layer. The management apparatus registers electronic inventory tag data corresponding to the electronic inventory tag in the management database based on the non-registration detection data.