An air-scenting device, which can be mounted vertically, horizontally or at any orientation, including upside down, without any leakage or dripping is disclosed in which there is no free-to-flow fluid under gravitational force, thus causing no spillage at any orientation. The nano-sized particles will melt at a temperature significantly lower than the micron-sized particles used in prior art braze materials, thereby eliminating or reducing the need for the addition of temperature depressant materials such as boron or silicon. The stop wheel of the constant-force device is mounted on the intermediate second pinion of the indirect-second mechanism. The halogenated diphenylmethylene is reacted with a coupling agent comprising a Group 2 or 12 transition metal in the presence of a nickel or palladium-based catalyst to remove the halogen atoms from the phenyl groups and couple the phenyl groups at the proximal carbon atoms to produce a fluorene ligand structure. Thus, it is possible to provide a non-contact IC card capable of enhancing the connection reliability of an IC chip mounting portion, maintaining communication characteristics, and maintaining a high mechanical strength. At least a portion of the fluorescent trace material is exposed or released from the electrical contact or interrupter assembly component, indicating a degree of component wear.