A snare-type device for removing an elongated structure such as, for example, a pacemaker lead. In that method, when the running state of the internal combustion engine becomes idle running during the filter regeneration process, the oxygen concentration in the exhaust gas flowing into the filter is reduced. A transmit power level of users of the system other than the selected user is provided. By inactivating MOSgate action in the transition region surrounding the source, the device is made less sensitive to current ratio variation due to varying manufacturing tolerances. 301\u2019, characterized by its compact and upright plant habit; freely branching growth habit; relatively small leaves; freely flowering habit; and large red-colored flowers that are held above and beyond the foliage. According to the invention, the vitamin D component of mushrooms and other filamentous fungi may be drastically increased with no deleterious affects on appearance with the use of pulsed UV radiation.