A perfume test packaging characterized in that it comprises: a sheath having an opening portion, said sheath being sealed prior to use; and a backing element suitable for receiving a fluid, said element being disposed in the sheath so that it can be extracted therefrom after the opening portion of the sheath has been opened. Provided by the invention are the seeds, plants and derivatives of the soybean variety A1016496. Solenoid coil may store magnetic energy while current from battery flows through solenoid coil. The selective proportioning step includes adjusting gate voltages of the solid-state current devices.